tolong bantu ya ....jalannya

Kelas 10 Matematika
Bab Fungsi Komposisi

^ =pangkat

f(x) = (ax + b)/(cx + d)
f^-1 (x) = (-dx + b)/(cx - a)

f(x) = (2x - 1)/(3x + 4)
f^-1 (x) = (-4x - 1)/(3x - 2)
f^-1 (1) = (-4 . 1 - 1)/(3 . 1 - 2)
f^-1 (1) = -5/1
f^-1 (1) = -5