Question

Given f(x) =x-7 and g(x) =x2 find g(f(4))

Answer 1

Answer: g(f(4))=9

Explanation:

To find g(f(4)), you first find f(4). Then, you plug it into g(x).

f(4)=4-7 [subtract]

f(4)=-3

Now, we know f(4) into g(x).

g(f(4))=(-3)² [exponent]

g(f(4))=9

Now, we know that g(f(4))=9.