Verified Answer :

Apocrophon

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

\(f(-7) = -4(-7) - 7\\ f(-7) = 28-7\\ f(-7) = 21\)

FashionableNERD

A.

F(3) = -19


B.

F(-7) = 21

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