Question

Dik : f(x) = x2 - 4
g(x) = -4x + 1
Dit : 1. (FOF) (x) =
2. (gog) (x) =
3. ( Fogog ) ( x ) =

Answer 1

1. (fof)(x) = f(f(x)) = f() = 
2. (gog)(x) =g(g(x))=g(-4x+1)=-4(-4x+1)+1=16x-4+1=16x-3
3. (fogog)(x) =f(g(g(x)))=f(16x-3)=

Terima kasih. Semoga bisa membantu.