di ketahui f(x)=x²-4x+22 dan g(x)= 3x +5 . fungsi kompisisi (fog) (x)

(fog)(x) = (f(gx))
(fog)(x) = x^2-4x+22
(fog)(x) = (3x+5)^2-4(3x+5)+22
(fog)(x) = 9x^2+15x+15x+25-12x-20+22
(fog)(x) = 9x^2+30x-12x+25-20+22
(fog)(x) = 9x^2+18x+27

Semoga membantu yaa:)