Answer:
3 x 3 =9
Step-by-step explanation:
9
g(f(x)) = √(x^2 +17)
For ...
f(x) = x^2 +9
g(x) = √(x +8)
The definition of g(f(x)) is ...
g(f(x)) = g(x^2 +9) = √((x^2 +9) +8)