Question

PLEASE HELP ME i need help

Answer 1

C.

`√(5x - 7) + 13`

Explanation:

When facing a problem like this think of the x in G(x) as the variable (which it essentialy is). So if you replace the x in G(x) with F(x) you get

`g(f(x)) = √(f(x)) + 13`

and if you substitute F(x):

`g(f(x)) = √(f(x)) + 13 = √(5x - 7) + 13`