jika f (×) = ×kuadrat dan ( f o g )(×) = ×kuadrat - 2× + 1, maka g (3) =

Kelas 10 Matematika
Bab Fungsi Komposisi

(fog) (x) = x² - 2x + 1
f(g(x)) = (x - 1)²
(g (x))² = (x - 1)²
g(x) = x - 1

g(3) = 3 - 1
g(3) = 2