Question

Evaluate the function f(x) = 2x + 2, when x = –1.

A.
0

B.
3

C.
–4

D.
4

Answer 1

basically, all you have to do is sub in -1 for x
f(x) = 2x + 2
f(-1) = 2(-1) + 2
f(-1) = -2 + 2
f(-1) = 0

Answer 2

thts wat i thought just wanted to make sure

Answer 3

its always good to check if your not sure...confirmation is good :)

Answer 4

thaxs

Answer 5

sure thing :)