Предмет: Математика, автор: mistlaef

помогите пожалуйста срочно надо ​

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Ответы

Автор ответа: Аноним
0

Ответ:

Пошаговое объяснение:

f(t)=-2t² +1/2 ·t-5; t=1

f(1)=-2·1² +1/2 ·1-5

f(1)=-2 -4 1/2

f(1)=-6,5

Ответ: (1; -6,5).

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