find functions f anf g so that fog equals H

Question

H(x)=�ãx^2+17

please show work

Answer 1

if h(x) = √(x^2+17)

f(x) = √x
g(x) = x^2+17

f◦g = f(g(x)) = √g(x) = √(x^2+17) = h(x)