fx=x kuadrat +5 gx=x+1 yg di cari gofx dan fogx

Materi Fungsi Komposisi

gof(x) = g(f(x)) = g(x^2 + 5) = (x^2 + 5) + 1 = x^2 + 6.
fog(x) = f(g(x)) = f(x + 1) = (x+1)^2 + 5 = x^2 + 2x + 6