Вопрос школьника по предмету Алгебра
укажите функцию, графиком которой является парабола
а) y=2x² б) y=2 в) y=2x г) y=║X║
Ответ учителя по предмету Алгебра
Парабола — квадратичная функция.
Переменная в квадрате есть только в (а).
Ответ: а) y = 2x².
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