fungsi invers dari g(x) = 4x/x - 1, x ≠ 1

Bab Fungsi Komposisi
Matematika SMA Kelas X

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

g(x) = 4x / (x - 1)
g(x) = (4x + 0) / (x - 1)
g⁻¹ (x) = (x + 0) / (x - 4)
g⁻¹ (x) = x / (x - 4)