Номер 17, страница 45, часть 1 - гдз по алгебре 10 класс учебник Пак, Ардакулы

Алгебра, 10 класс Учебник, авторы: Пак Олег Владимирович, Ардакулы Дархан, Ескендирова Елена Викторовна, издательство Алматыкітап баспасы, Алматы, 2019

Авторы: Пак О. В., Ардакулы Д., Ескендирова Е. В.

Тип: Учебник

Издательство: Алматыкітап баспасы

Год издания: 2019 - 2026

Часть: 1

ISBN: 978-601-01-3958-9

Рекомендовано Министерством образования и науки Республики Казахстан

Часть 1. Глава 1. Функции, её свойства и график. Параграф 4. Периодические функции. Задачи - номер 17, страница 45.

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                            "id" => 5459
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "10"
                            "field_cases" => array:6 [ …6]
                            "field_translit" => "desjatyj"
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                        }
                      ]
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                    }
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1124
                      #items: array:1 [
                        0 => App\Models\Term {#1125
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
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                          #withCount: []
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                          #perPage: 15
                          +exists: true
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                          #attributes: array:6 [
                            "id" => 7006
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Алматыкітап баспасы"
                            "field_cases" => array:6 [ …6]
                            "field_translit" => "almatykitap baspasy"
                          ]
                          #original: array:6 [
                            "id" => 7006
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Алматыкітап баспасы"
                            "field_cases" => array:6 [ …6]
                            "field_translit" => "almatykitap baspasy"
                          ]
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                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
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                          #hidden: []
                          #visible: []
                          #fillable: []
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                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_author" => Illuminate\Database\Eloquent\Collection {#1126
                      #items: array:3 [
                        0 => App\Models\Term {#1127
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:12 [
                            "id" => 7007
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Пак"
                            "field_bio" => null
                            "field_degree_rp" => null
                            "field_foreign_lang_name" => null
                            "field_foreign_lang_patronymic" => null
                            "field_foreign_lang_surname" => null
                            "field_name" => "Олег"
                            "field_patronymic" => "Владимирович"
                            "field_surname_rp" => null
                          ]
                          #original: array:12 [
                            "id" => 7007
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Пак"
                            "field_bio" => null
                            "field_degree_rp" => null
                            "field_foreign_lang_name" => null
                            "field_foreign_lang_patronymic" => null
                            "field_foreign_lang_surname" => null
                            "field_name" => "Олег"
                            "field_patronymic" => "Владимирович"
                            "field_surname_rp" => null
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                        1 => App\Models\Term {#1128
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:12 [
                            "id" => 7008
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Ардакулы"
                            "field_bio" => null
                            "field_degree_rp" => null
                            "field_foreign_lang_name" => null
                            "field_foreign_lang_patronymic" => null
                            "field_foreign_lang_surname" => null
                            "field_name" => "Дархан"
                            "field_patronymic" => null
                            "field_surname_rp" => null
                          ]
                          #original: array:12 [
                            "id" => 7008
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Ардакулы"
                            "field_bio" => null
                            "field_degree_rp" => null
                            "field_foreign_lang_name" => null
                            "field_foreign_lang_patronymic" => null
                            "field_foreign_lang_surname" => null
                            "field_name" => "Дархан"
                            "field_patronymic" => null
                            "field_surname_rp" => null
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                        2 => App\Models\Term {#1129
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:12 [
                            "id" => 7009
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Ескендирова"
                            "field_bio" => null
                            "field_degree_rp" => null
                            "field_foreign_lang_name" => null
                            "field_foreign_lang_patronymic" => null
                            "field_foreign_lang_surname" => null
                            "field_name" => "Елена"
                            "field_patronymic" => "Викторовна"
                            "field_surname_rp" => null
                          ]
                          #original: array:12 [
                            "id" => 7009
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Ескендирова"
                            "field_bio" => null
                            "field_degree_rp" => null
                            "field_foreign_lang_name" => null
                            "field_foreign_lang_patronymic" => null
                            "field_foreign_lang_surname" => null
                            "field_name" => "Елена"
                            "field_patronymic" => "Викторовна"
                            "field_surname_rp" => null
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1130
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_book_type" => Illuminate\Database\Eloquent\Collection {#1131
                      #items: array:1 [
                        0 => App\Models\Term {#1132
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:10 [
                            "id" => 6671
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Учебник"
                            "field_book_type_foreign" => null
                            "field_cases" => array:6 [ …6]
                            "field_plural_form" => null
                            "field_short_name" => null
                            "field_short_name_foreign" => null
                            "field_translit" => "uchebnik"
                          ]
                          #original: array:10 [
                            "id" => 6671
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Учебник"
                            "field_book_type_foreign" => null
                            "field_cases" => array:6 [ …6]
                            "field_plural_form" => null
                            "field_short_name" => null
                            "field_short_name_foreign" => null
                            "field_translit" => "uchebnik"
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_country" => Illuminate\Database\Eloquent\Collection {#1133
                      #items: array:1 [
                        0 => App\Models\Term {#1134
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [
                            "id" => 6994
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Казахстан"
                            "field_cases" => array:6 [ …6]
                            "field_translit" => "kazakhstan"
                          ]
                          #original: array:6 [
                            "id" => 6994
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Казахстан"
                            "field_cases" => array:6 [ …6]
                            "field_translit" => "kazakhstan"
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
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                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_city" => Illuminate\Database\Eloquent\Collection {#1135
                      #items: array:1 [
                        0 => App\Models\Term {#1136
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [
                            "id" => 6995
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Алматы"
                            "field_cases" => array:6 [ …6]
                            "field_translit" => "almaty"
                          ]
                          #original: array:6 [
                            "id" => 6995
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Алматы"
                            "field_cases" => array:6 [ …6]
                            "field_translit" => "almaty"
                          ]
                          #changes: []
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                          #attributeCastCache: []
                          #dateFormat: null
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                          #relations: []
                          #touches: []
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                          #visible: []
                          #fillable: []
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                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_series" => Illuminate\Database\Eloquent\Collection {#1137
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_umk" => Illuminate\Database\Eloquent\Collection {#1138
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1139
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1140
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_publication_number" => null
                    "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1141
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1142
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_under_the_edition_degree" => null
                    "field_cover_description" => null
                    "field_publication_year" => "2019"
                    "field_publication_year_until" => null
                    "field_part" => "1, 2"
                    "field_part_writing" => "Часть"
                    "field_second_foreign_language" => null
                    "field_for_whom" => "Учебник для учащихся 10 класса общеобразовательной школы общественно-гуманитарного направления"
                    "field_allowed" => "Рекомендовано Министерством образования и науки Республики Казахстан"
                    "field_reserve_field" => null
                    "field_link_to_source" => null
                    "field_tasks_count" => "1063"
                    "field_priority" => "6"
                    "field_default_folder" => "/algebra_10/baspasy-u19/"
                    "field_isbn" => "978-601-01-3958-9"
                    "field_cover" => array:1 [
                      0 => "/media/algebra_10/baspasy-u19/covers/cover1.webp?ts=1752152865"
                    ]
                    "field_cover_alts" => array:1 [
                      0 => ""
                    ]
                    "field_covers" => array:1 [
                      0 => array:4 [
                        "path" => "/media/algebra_10/baspasy-u19/covers/cover1.webp?ts=1752152865"
                        "alt" => ""
                        "width" => "1940"
                        "height" => "2895"
                      ]
                    ]
                    "field_popular_book" => null
                    "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1143
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_new_book" => Illuminate\Database\Eloquent\Collection {#1144
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_old_book" => Illuminate\Database\Eloquent\Collection {#1145
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_url" => "/10-klass/algebra/baspasy-pak-uchebnik"
                    "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1146
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
                    "field_description_bottom" => null
                    "breadcrumbs" => array:3 [
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                      "subject" => 542
                      "class_subject" => 387
                    ]
                  ]
                  #original: array:50 [
                    "id" => 4295
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_tree_default_status" => "tasks"
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                    "field_subject" => Illuminate\Database\Eloquent\Collection {#1121}
                    "field_class" => Illuminate\Database\Eloquent\Collection {#1122}
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1124}
                    "field_author" => Illuminate\Database\Eloquent\Collection {#1126}
                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1130}
                    "field_book_type" => Illuminate\Database\Eloquent\Collection {#1131}
                    "field_country" => Illuminate\Database\Eloquent\Collection {#1133}
                    "field_city" => Illuminate\Database\Eloquent\Collection {#1135}
                    "field_series" => Illuminate\Database\Eloquent\Collection {#1137}
                    "field_umk" => Illuminate\Database\Eloquent\Collection {#1138}
                    "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1139}
                    "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1140}
                    "field_publication_number" => null
                    "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1141}
                    "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1142}
                    "field_under_the_edition_degree" => null
                    "field_cover_description" => null
                    "field_publication_year" => "2019"
                    "field_publication_year_until" => null
                    "field_part" => "1, 2"
                    "field_part_writing" => "Часть"
                    "field_second_foreign_language" => null
                    "field_for_whom" => "Учебник для учащихся 10 класса общеобразовательной школы общественно-гуманитарного направления"
                    "field_allowed" => "Рекомендовано Министерством образования и науки Республики Казахстан"
                    "field_reserve_field" => null
                    "field_link_to_source" => null
                    "field_tasks_count" => "1063"
                    "field_priority" => "6"
                    "field_default_folder" => "/algebra_10/baspasy-u19/"
                    "field_isbn" => "978-601-01-3958-9"
                    "field_cover" => array:1 [
                      0 => "/media/algebra_10/baspasy-u19/covers/cover1.webp?ts=1752152865"
                    ]
                    "field_cover_alts" => array:1 [
                      0 => ""
                    ]
                    "field_covers" => array:1 [
                      0 => array:4 [
                        "path" => "/media/algebra_10/baspasy-u19/covers/cover1.webp?ts=1752152865"
                        "alt" => ""
                        "width" => "1940"
                        "height" => "2895"
                      ]
                    ]
                    "field_popular_book" => null
                    "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1143}
                    "field_new_book" => Illuminate\Database\Eloquent\Collection {#1144}
                    "field_old_book" => Illuminate\Database\Eloquent\Collection {#1145}
                    "field_url" => "/10-klass/algebra/baspasy-pak-uchebnik"
                    "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1146}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
                    "field_description_bottom" => null
                    "breadcrumbs" => array:3 [
                      "class" => 381
                      "subject" => 542
                      "class_subject" => 387
                    ]
                  ]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1147
              #items: []
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:24 [
            "id" => 1119328
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => null
            "field_branch_order" => "1"
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1120}
            "field_page_start" => "6"
            "field_branch_display" => "0"
            "field_branch_expanded" => "0"
            "field_display_branch_in_title" => "1"
            "field_display_task_interval" => "0"
            "field_display_branch_page" => "1"
            "field_branch_title_in_content" => "0"
            "field_navigation_title" => null
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_branch_cover" => array:1 [
              0 => "/media/algebra_10/baspasy-u19/covers/cover1.webp?ts=1752152865"
            ]
            "field_branch_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/algebra_10/baspasy-u19/covers/cover1.webp?ts=1752152865"
                "alt" => ""
                "width" => "1940"
                "height" => "2895"
              ]
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1149}
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1147}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        1 => App\Models\Branch {#1148
          #connection: "mysql"
          #table: "branches"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
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        3 => App\Models\Branch {#1159
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            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1175
              #items: array:1 [
                0 => App\Models\Branch {#1174
                  #connection: "mysql"
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                    "book" => Illuminate\Database\Eloquent\Collection {#1177 …2}
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    "content" => Illuminate\Database\Eloquent\Collection {#1070
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        0 => App\Models\Element {#1097
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            "task" => array:2 [
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            "text" => "<p><strong>17. (3)</strong> Нечетная функция $f(x)$ имеет период $T=12$, на интервале $(0; 6)$ задается формулой $f(x)=\frac{1}{8}(x-3)^2$, в точках $x=0$ и $x=6$ не определена. Изобразите график функции $y=f(x)$.</p>"
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            "text" => "<p><strong>17. (3)</strong> Нечетная функция $f(x)$ имеет период $T=12$, на интервале $(0; 6)$ задается формулой $f(x)=\frac{1}{8}(x-3)^2$, в точках $x=0$ и $x=6$ не определена. Изобразите график функции $y=f(x)$.</p>"
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            "text" => "<p> Для построения графика функции $y=f(x)$ воспользуемся ее свойствами: нечетностью, периодичностью и определением на заданном интервале. Решение можно разбить на несколько шагов.</p><p> <strong>1. Построение графика на интервале $(0; 6)$</strong></p><p> На интервале $(0; 6)$ функция задана формулой $f(x) = \frac{1}{8}(x-3)^2$. Это уравнение параболы, ветви которой направлены вверх.</p><p> Найдем координаты вершины этой параболы. Абсцисса вершины $x_0 = 3$. Ордината вершины $y_0 = f(3) = \frac{1}{8}(3-3)^2 = 0$. Таким образом, вершина параболы находится в точке $(3; 0)$.</p><p> Поскольку функция не определена в точках $x=0$ и $x=6$, найдем предельные значения функции на концах интервала, чтобы определить координаты "выколотых" точек на графике.</p><p> При $x \to 0^+$: $f(x) \to \frac{1}{8}(0-3)^2 = \frac{9}{8}$.<br> При $x \to 6^-$: $f(x) \to \frac{1}{8}(6-3)^2 = \frac{9}{8}$.</p><p> Итак, на интервале $(0; 6)$ график представляет собой дугу параболы с вершиной в точке $(3; 0)$ и "выколотыми" точками на концах: $(0; \frac{9}{8})$ и $(6; \frac{9}{8})$.</p><p> <strong>2. Построение графика на интервале $(-6; 0)$ с использованием свойства нечетности</strong></p><p> Функция $f(x)$ является нечетной, что означает выполнение равенства $f(-x) = -f(x)$ для всех $x$ из области определения. График нечетной функции симметричен относительно начала координат.</p><p> Чтобы получить график на интервале $(-6; 0)$, мы должны симметрично отразить построенный на $(0; 6)$ участок относительно начала координат. При таком отражении точка $(x, y)$ переходит в точку $(-x, -y)$.</p><p> Вершина $(3; 0)$ переходит в точку $(-3; 0)$.<br> "Выколотая" точка $(6; \frac{9}{8})$ переходит в точку $(-6; -\frac{9}{8})$.<br> "Выколотая" точка $(0; \frac{9}{8})$ переходит в точку $(0; -\frac{9}{8})$.</p><p> На интервале $(-6; 0)$ график представляет собой дугу параболы, ветви которой направлены вниз, с вершиной в точке $(-3; 0)$ и "выколотыми" точками на концах: $(-6; -\frac{9}{8})$ и $(0; -\frac{9}{8})$.</p><p> <strong>3. Построение графика на всей числовой прямой с использованием свойства периодичности</strong></p><p> Функция имеет период $T=12$. Это означает, что $f(x+12) = f(x)$. Мы уже построили график на интервале $(-6; 6)$, длина которого равна 12. Этот участок является основным "блоком", который будет повторяться вдоль всей оси $Ox$.</p><p> Поскольку функция не определена в $x=6$, то из-за периодичности она также не будет определена в точках $x = 6 + 12k$ для любого целого $k$. Также из $f(-x)=-f(x)$ и $f(x+12)=f(x)$ следует, что $f(6k)$ не определена для любого целого $k$.</p><p> В точках $x=6k$ (например, $x=0, \pm6, \pm12, \dots$) функция имеет разрывы. Например, в точке $x=0$ предел слева равен $-\frac{9}{8}$, а предел справа равен $\frac{9}{8}$. В точке $x=6$ предел слева равен $\frac{9}{8}$, а предел справа (используя периодичность) равен $f(6^+) = f(6^+-12) = f(-6^+) = -\frac{9}{8}$.</p><p> Таким образом, итоговый график состоит из бесконечно повторяющихся фрагментов. Каждый фрагмент — это две соединенные дуги параболы: одна ветвями вверх, другая ветвями вниз.</p><p> - На интервалах вида $(12k; 6+12k)$ график представляет собой дугу параболы ветвями вверх с вершиной в точке $(3+12k; 0)$.<br> - На интервалах вида $(-6+12k; 12k)$ график представляет собой дугу параболы ветвями вниз с вершиной в точке $(-3+12k; 0)$.</p><p> Итоговый график представляет собой волнообразную линию, состоящую из параболических сегментов, которые "перескакивают" в точках $x=6k$ с одного значения на другое.</p><p> <strong>Ответ:</strong> График функции $y=f(x)$ представляет собой бесконечную последовательность параболических дуг. На интервале $(-6, 6)$ график состоит из двух частей: 1) На интервале $(-6, 0)$ — дуга параболы $y = -\frac{1}{8}(x+3)^2$ с вершиной в $(-3, 0)$, идущая от "выколотой" точки $(-6, -\frac{9}{8})$ до "выколотой" точки $(0, -\frac{9}{8})$. 2) На интервале $(0, 6)$ — дуга параболы $y = \frac{1}{8}(x-3)^2$ с вершиной в $(3, 0)$, идущая от "выколотой" точки $(0, \frac{9}{8})$ до "выколотой" точки $(6, \frac{9}{8})$. Этот узор на интервале $(-6, 6)$ периодически повторяется с периодом $T=12$ вдоль всей оси $Ox$. В точках $x=6k$, где $k$ — целое число, функция не определена и ее график имеет разрывы.</p>"
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            "text" => "<p> Для построения графика функции $y=f(x)$ воспользуемся ее свойствами: нечетностью, периодичностью и определением на заданном интервале. Решение можно разбить на несколько шагов.</p><p> <strong>1. Построение графика на интервале $(0; 6)$</strong></p><p> На интервале $(0; 6)$ функция задана формулой $f(x) = \frac{1}{8}(x-3)^2$. Это уравнение параболы, ветви которой направлены вверх.</p><p> Найдем координаты вершины этой параболы. Абсцисса вершины $x_0 = 3$. Ордината вершины $y_0 = f(3) = \frac{1}{8}(3-3)^2 = 0$. Таким образом, вершина параболы находится в точке $(3; 0)$.</p><p> Поскольку функция не определена в точках $x=0$ и $x=6$, найдем предельные значения функции на концах интервала, чтобы определить координаты "выколотых" точек на графике.</p><p> При $x \to 0^+$: $f(x) \to \frac{1}{8}(0-3)^2 = \frac{9}{8}$.<br> При $x \to 6^-$: $f(x) \to \frac{1}{8}(6-3)^2 = \frac{9}{8}$.</p><p> Итак, на интервале $(0; 6)$ график представляет собой дугу параболы с вершиной в точке $(3; 0)$ и "выколотыми" точками на концах: $(0; \frac{9}{8})$ и $(6; \frac{9}{8})$.</p><p> <strong>2. Построение графика на интервале $(-6; 0)$ с использованием свойства нечетности</strong></p><p> Функция $f(x)$ является нечетной, что означает выполнение равенства $f(-x) = -f(x)$ для всех $x$ из области определения. График нечетной функции симметричен относительно начала координат.</p><p> Чтобы получить график на интервале $(-6; 0)$, мы должны симметрично отразить построенный на $(0; 6)$ участок относительно начала координат. При таком отражении точка $(x, y)$ переходит в точку $(-x, -y)$.</p><p> Вершина $(3; 0)$ переходит в точку $(-3; 0)$.<br> "Выколотая" точка $(6; \frac{9}{8})$ переходит в точку $(-6; -\frac{9}{8})$.<br> "Выколотая" точка $(0; \frac{9}{8})$ переходит в точку $(0; -\frac{9}{8})$.</p><p> На интервале $(-6; 0)$ график представляет собой дугу параболы, ветви которой направлены вниз, с вершиной в точке $(-3; 0)$ и "выколотыми" точками на концах: $(-6; -\frac{9}{8})$ и $(0; -\frac{9}{8})$.</p><p> <strong>3. Построение графика на всей числовой прямой с использованием свойства периодичности</strong></p><p> Функция имеет период $T=12$. Это означает, что $f(x+12) = f(x)$. Мы уже построили график на интервале $(-6; 6)$, длина которого равна 12. Этот участок является основным "блоком", который будет повторяться вдоль всей оси $Ox$.</p><p> Поскольку функция не определена в $x=6$, то из-за периодичности она также не будет определена в точках $x = 6 + 12k$ для любого целого $k$. Также из $f(-x)=-f(x)$ и $f(x+12)=f(x)$ следует, что $f(6k)$ не определена для любого целого $k$.</p><p> В точках $x=6k$ (например, $x=0, \pm6, \pm12, \dots$) функция имеет разрывы. Например, в точке $x=0$ предел слева равен $-\frac{9}{8}$, а предел справа равен $\frac{9}{8}$. В точке $x=6$ предел слева равен $\frac{9}{8}$, а предел справа (используя периодичность) равен $f(6^+) = f(6^+-12) = f(-6^+) = -\frac{9}{8}$.</p><p> Таким образом, итоговый график состоит из бесконечно повторяющихся фрагментов. Каждый фрагмент — это две соединенные дуги параболы: одна ветвями вверх, другая ветвями вниз.</p><p> - На интервалах вида $(12k; 6+12k)$ график представляет собой дугу параболы ветвями вверх с вершиной в точке $(3+12k; 0)$.<br> - На интервалах вида $(-6+12k; 12k)$ график представляет собой дугу параболы ветвями вниз с вершиной в точке $(-3+12k; 0)$.</p><p> Итоговый график представляет собой волнообразную линию, состоящую из параболических сегментов, которые "перескакивают" в точках $x=6k$ с одного значения на другое.</p><p> <strong>Ответ:</strong> График функции $y=f(x)$ представляет собой бесконечную последовательность параболических дуг. На интервале $(-6, 6)$ график состоит из двух частей: 1) На интервале $(-6, 0)$ — дуга параболы $y = -\frac{1}{8}(x+3)^2$ с вершиной в $(-3, 0)$, идущая от "выколотой" точки $(-6, -\frac{9}{8})$ до "выколотой" точки $(0, -\frac{9}{8})$. 2) На интервале $(0, 6)$ — дуга параболы $y = \frac{1}{8}(x-3)^2$ с вершиной в $(3, 0)$, идущая от "выколотой" точки $(0, \frac{9}{8})$ до "выколотой" точки $(6, \frac{9}{8})$. Этот узор на интервале $(-6, 6)$ периодически повторяется с периодом $T=12$ вдоль всей оси $Ox$. В точках $x=6k$, где $k$ — целое число, функция не определена и ее график имеет разрывы.</p>"
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№17 (с. 45)
Условие. №17 (с. 45)
скриншот условия
Алгебра, 10 класс Учебник, авторы: Пак Олег Владимирович, Ардакулы Дархан, Ескендирова Елена Викторовна, издательство Алматыкітап баспасы, Алматы, 2019, Часть 1, страница 45, номер 17, Условие

17. (3) Нечетная функция $f(x)$ имеет период $T=12$, на интервале $(0; 6)$ задается формулой $f(x)=\frac{1}{8}(x-3)^2$, в точках $x=0$ и $x=6$ не определена. Изобразите график функции $y=f(x)$.

Решение 2 (rus). №17 (с. 45)

Для построения графика функции $y=f(x)$ воспользуемся ее свойствами: нечетностью, периодичностью и определением на заданном интервале. Решение можно разбить на несколько шагов.

1. Построение графика на интервале $(0; 6)$

На интервале $(0; 6)$ функция задана формулой $f(x) = \frac{1}{8}(x-3)^2$. Это уравнение параболы, ветви которой направлены вверх.

Найдем координаты вершины этой параболы. Абсцисса вершины $x_0 = 3$. Ордината вершины $y_0 = f(3) = \frac{1}{8}(3-3)^2 = 0$. Таким образом, вершина параболы находится в точке $(3; 0)$.

Поскольку функция не определена в точках $x=0$ и $x=6$, найдем предельные значения функции на концах интервала, чтобы определить координаты "выколотых" точек на графике.

При $x \to 0^+$: $f(x) \to \frac{1}{8}(0-3)^2 = \frac{9}{8}$.
При $x \to 6^-$: $f(x) \to \frac{1}{8}(6-3)^2 = \frac{9}{8}$.

Итак, на интервале $(0; 6)$ график представляет собой дугу параболы с вершиной в точке $(3; 0)$ и "выколотыми" точками на концах: $(0; \frac{9}{8})$ и $(6; \frac{9}{8})$.

2. Построение графика на интервале $(-6; 0)$ с использованием свойства нечетности

Функция $f(x)$ является нечетной, что означает выполнение равенства $f(-x) = -f(x)$ для всех $x$ из области определения. График нечетной функции симметричен относительно начала координат.

Чтобы получить график на интервале $(-6; 0)$, мы должны симметрично отразить построенный на $(0; 6)$ участок относительно начала координат. При таком отражении точка $(x, y)$ переходит в точку $(-x, -y)$.

Вершина $(3; 0)$ переходит в точку $(-3; 0)$.
"Выколотая" точка $(6; \frac{9}{8})$ переходит в точку $(-6; -\frac{9}{8})$.
"Выколотая" точка $(0; \frac{9}{8})$ переходит в точку $(0; -\frac{9}{8})$.

На интервале $(-6; 0)$ график представляет собой дугу параболы, ветви которой направлены вниз, с вершиной в точке $(-3; 0)$ и "выколотыми" точками на концах: $(-6; -\frac{9}{8})$ и $(0; -\frac{9}{8})$.

3. Построение графика на всей числовой прямой с использованием свойства периодичности

Функция имеет период $T=12$. Это означает, что $f(x+12) = f(x)$. Мы уже построили график на интервале $(-6; 6)$, длина которого равна 12. Этот участок является основным "блоком", который будет повторяться вдоль всей оси $Ox$.

Поскольку функция не определена в $x=6$, то из-за периодичности она также не будет определена в точках $x = 6 + 12k$ для любого целого $k$. Также из $f(-x)=-f(x)$ и $f(x+12)=f(x)$ следует, что $f(6k)$ не определена для любого целого $k$.

В точках $x=6k$ (например, $x=0, \pm6, \pm12, \dots$) функция имеет разрывы. Например, в точке $x=0$ предел слева равен $-\frac{9}{8}$, а предел справа равен $\frac{9}{8}$. В точке $x=6$ предел слева равен $\frac{9}{8}$, а предел справа (используя периодичность) равен $f(6^+) = f(6^+-12) = f(-6^+) = -\frac{9}{8}$.

Таким образом, итоговый график состоит из бесконечно повторяющихся фрагментов. Каждый фрагмент — это две соединенные дуги параболы: одна ветвями вверх, другая ветвями вниз.

- На интервалах вида $(12k; 6+12k)$ график представляет собой дугу параболы ветвями вверх с вершиной в точке $(3+12k; 0)$.
- На интервалах вида $(-6+12k; 12k)$ график представляет собой дугу параболы ветвями вниз с вершиной в точке $(-3+12k; 0)$.

Итоговый график представляет собой волнообразную линию, состоящую из параболических сегментов, которые "перескакивают" в точках $x=6k$ с одного значения на другое.

Ответ: График функции $y=f(x)$ представляет собой бесконечную последовательность параболических дуг. На интервале $(-6, 6)$ график состоит из двух частей: 1) На интервале $(-6, 0)$ — дуга параболы $y = -\frac{1}{8}(x+3)^2$ с вершиной в $(-3, 0)$, идущая от "выколотой" точки $(-6, -\frac{9}{8})$ до "выколотой" точки $(0, -\frac{9}{8})$. 2) На интервале $(0, 6)$ — дуга параболы $y = \frac{1}{8}(x-3)^2$ с вершиной в $(3, 0)$, идущая от "выколотой" точки $(0, \frac{9}{8})$ до "выколотой" точки $(6, \frac{9}{8})$. Этот узор на интервале $(-6, 6)$ периодически повторяется с периодом $T=12$ вдоль всей оси $Ox$. В точках $x=6k$, где $k$ — целое число, функция не определена и ее график имеет разрывы.

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