Dik:f(x)=3x+2 g(x)=x2-3 Tentukan rumus fungsi (gof)(x)dan(fog)(x)

Fungsi Komposisi.

(g o f)(x) = g(f(x))
= g(3x + 2)
= (3x + 2)² - 3
= 9x² + 12x + 1

(f o g)(x) = f(g(x))
= f(x² - 3)
= 3(x² - 3) + 2
= 3x² - 7