Invers dr f(x-2)=2x-2/5x-9

Kelas 10 Matematika
Bab Fungsi Komposisi

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

f(x - 2) = (2x - 2) / (5x - 9)
f(x + 2 - 2) = (2 (x + 2) - 2) / (5 (x + 2) - 9)
f(x) = (2x + 4 - 2) / (5x + 10 - 9)
f(x) = (2x + 2) / (5x + 1)
f^-1 (x) = (-x + 2) / (5x - 2)