tolong di bantu ya besok di kumpul....

Bab Fungsi
Matematika SMA Kelas X

(g^-1 o f^-1) (x) = (fog)^-1 (x)
(fog) (x) = 3x - 4
y = 3x - 4
3x = y + 4
x = 1/3 (y + 4)
(fog)^-1 (8) = 1/3 (8 + 4) = 4

jawabannya D