f(x)=3x²-2 dan g(x) 2x/x-3 maka nilai fog(2) adalah

Bab Fungsi Komposisi
Matematika SMA Kelas X

(fog) (x) = f(2x / (x - 3))
(fog) (x) = 3 (2x / (x - 3))² - 2
(fog) (2) = 3 (2 . 2 / (2 - 3))² - 2
(fog) (2) = 3 . (4/-1)² -1
(fog) (2) = 3 . 16 - 1
(fog) (2) = 48 - 1
(fog) (2) = 47