Предмет: Алгебра, автор: Answer4710

Укажите промежутки убывания функции y= x³-6x²+9x+15

Ответы

Автор ответа: alex44170

1

на фото

как лучший если не сложно

Приложения:

Автор ответа: agen021

1

y'=3x²-12x+9

3x²-12x+9=0

(X-1)(x-3)=0

Дальше на прямой оставляем числе и от 1 до 3 получается убывание

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