jika f(x) = 5x+3 dan g(x)=2x^2-x-8, rumus komposisi fungsi (f o g o h) (x) =

(f o g o h) (x) = f (g(h(x)))
= f (2(h(x))^2-(h(x))-8)
= 5 (2(h(x))^2-(h(x))-8)
= 10(h(x))^2-5(h(x))-40

maaf kalau salah...! : )