Question

I really need help solving please.

Given f(x) = 3x – 5, what is f(–4)?

A.-6


B.1/3


C.-17


D.7

I think it's D.

Answer 1

easy peasy
sub -4 for every x
f(-4)=3(-4)-5
f(-4)=-12-5
f(-4)=-17

answer is C