Diketahui f(x)=x+3 dan g(x)= 2x²-8. Komposisi fungsi (go f) (x) =

f(x) = x + 3
g(x) = 2x² - 8
(g ° f)(x) = 2(x+3)² - 8
= 2(x² + 6x + 9) - 8
= 2x² + 12x + 18 - 8
= 2x² + 12x + 10

2(x^2+6x+9)-8=2x^2+12x+18-8=2x^2+12x+10