Предмет: Алгебра, автор: алина1375224

найдите область значений функции y=x^2+4x-21

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Автор ответа: rybakoffical0

0

область значений -каким может быть Y

судя по построенному графику видим -это парабола => от точки минимума до плюс бесконечности, т.е E(y) = [-25; +∞)

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