Question

Given f(x) = –3x – 7, what is f(–4)?

A.
5

B.
–14

C.
–1

D.
40

Answer 1

plug the value of -4 into the variables (x)
so -3(-4) - 7 = f(x)
f(x) = 12 - 7
f(x) = 5

Answer 2

yes, but don't say that this is the value of f(x), say f(-4)