27-01-2017
Mathematics

contestada

F(x)=-4x-7, find.....

A. F(3) B. F(-7)

Respuesta :

Apocrophon Apocrophon

27-01-2017

What you do is you plug the value in for x and solve:
[tex]f(3) = -4(3)-7\\ f(3) = -12-7\\ f(3) = -19[/tex]

[tex]f(-7) = -4(-7) - 7\\ f(-7) = 28-7\\ f(-7) = 21[/tex]

Answer Link

FashionableNERD FashionableNERD

27-01-2017

A.

F(3) = -19

B.

F(-7) = 21

Answer Link

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