Composite Function

Question

hi! I seem to have a little problem trying to solve this problem (composition function) if someone can lend me a hand solving it please ( https://i.imgur.com/MfiED8f.png )

Answer 1

h(x) = (12x)^1/3

g o h(x) = (12x)^1/3 / [(12x)^1/3 - 3]

f o go h(x) = 6{(12x)^1/3 / [(12x)^1/3 - 3]}^1/2