Question

Find f(x) and g(x) so that the function can be described as y = f(g(x)).

y = 9/x^2 + 2

Answer 1

Simple, separate them

Answer 2

You have so many choices.. Here's the simple one:
\[f(x)=\frac{ 9 }{ x }\]
\[g(x)=x^2+2\]