Question

15. If f(x) = 4x – 8, find f(-2).
a. 0
b.-8
c. -16
d. -20

Answer 1

f(-2)=4(-2)-8= -8-8= -16
The answer is C.

Answer 2

the answer is c 4x-8
4(-2)-8
remove parentheses
4x-2 -8