diket fungsi (x) = x/x+1 dan g(x) = 2x -1 tentukan (fog)pangkat-1 (x)

Bab Fungsi dan Komposisi
Matematika SMA Kelas X

(fog) (x) = f(2x - 1)
(fog) (x) = (2x - 1) / (2x - 1 + 1)
(fog) (x) = (2x - 1)/(2x)

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

(fog)^-1 = -1/(2x - 2)