Let F(x)= f(f(x)) and G(x)=(F(x))^2.You also know that f(8) =15; f(15)=6, f'(8) =12 Find F'(8) and G'(8)(This is 2 different questions so please I want the answer of both thank you)

5- h(x) 4- a y-values y-values 4 2 g(x) 2 2 3 4 2 3 4 Our Out x-values x-values If f(x) = g(h(x)), then f' ( 4 ) =