Express the function in the form f o g. (Use only elementary functions, but not the identity function, g(x) = x.)

F(x) = (x^(1/3))/(7+x^(1/3))

f(x) = ?

g(x) = ?

I'm not sure I understand the question. Do they want me create a function for g(x) and f(x) that will make F(x)?