jika f(x)=x2 Dan (fog) (X) =x2-2x+1,maka g(3)=

Dilihat dari soal, dpt disimpulkan
G (x) = x - 1
Sehingga f(gx) = (x-1)^2
= x2 -2x + 1
Jadi, g (3) = 3-1
= 2

Fungsi Komposisi
Matematika SMA Kelas X

(fog) (x) = x² - 2x + 1
(g (x))² = (x - 1)²
g(x) = √(x - 1)²
g(x) = x - 1
g(3) = 3 - 1
g(3) = 2