Question

Given f(x) = x − 7 and g(x) = x2 .

Find g(f(4)).

Answer 1

-6

Explanation:

g(f(x))= 2(x-7)

g(f(x))= 2x-14

plug in 4 for x

g(f(4))= 2×4-14

g(f(4))= 8-14

g(f(4))= -6