Question

If f(x) = x+2 and g(x) = radical x-9, find g(f(x)).

Answer 1

Answer:

second option

Step-by-step explanation:

Substitute x = f(x) into g(x) , that is

g(f(x))

= g(x + 2)

= $\sqrt{x+2-9}$

= $\sqrt{x-7}$