Jika f(x) = x-5 dan g(x) = x^2-1 maka (gof) (x)=

(gof) (x) =g(f(x))
=(x-5)^2-1
=x^2-10x+24

(gof) (x) = (x-5)^2 -1
              = [tex] x^{2} [/tex] - 10x +25 -1
              = [tex] x^{2} [/tex] + 24