Question

If f(x) = 5x2 − 4 and g(x) = x − 2, what is (f o g)(-3)?
Select one of the options below as your answer:

*
A.
-129
*
B.
1
*
C.
39
*
D.
121

Answer 1

D

Answer 2

what croc said

Answer 3

Complementary information :

f o g := 5(x − 2)^2 - 4
f o g := 5x^2 - 10x + 4 -4
f o g := 5x^2 - 10x