Nomor 10 tolong yaaaaa

Bab Fungsi
Matematika SMA Kelas XI

10] (fog) (x) = f(g(x))
(fog) (x) = f(2x – 5)
(fog) (x) = 4(2x – 5) + 3
(fog) (x) = 8x – 20 + 3
(fog) (x) = 8x – 17

y = 8x – 17
8x = y + 17
x = (y + 17)/8
(fog)^-1 (x) = (x + 17)/8

jawabannya C