diketahui g (x) = x - 1 dan( f o g ) (x) = x² - 4x + 3 tentukan f (x)

Bab Fungsi Komposisi
Matematika SMA Kelas X

(fog) (x) = x² - 4x + 3
f(x - 1) = x² - 4x + 3
f(x + 1 - 1) = (x - 1)² - 4(x - 1) + 3
f(x) = x² - 2x + 1 - 4x + 4 + 3
f(x) = x² - 6x + 8