Question

If g(x) = 2x2 - 4 and f(x) = 4x - 9, find

f(-4).
28
a
b
-36
c
60
d
-25

Answer 1

D

Explanation:

plug in the value to the given expression

f(-4) = 4(-4) - 9

f(-4) = -16 - 9

f(-4) = -25