Find two functions f and g such that h(x)=[f o g](x). Neither function may be the identity function f(x)=x

Question

h(x)= 1/(3x+3) 1 divided by 3x+3

Please walk me through the steps on how to get the answer and what the answer is

Answer 1

f(x) = 1 / x

g(x) = 3x + 3

f(g)x) = 1 / (3x + 3)