jika f(x) = 2x-5 per 3x-2 , 2per3 tentukan f-1(1

Kelas 10 Matematika
Bab Fungsi Komposisi

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

f(x) = (2x - 5)/(3x - 2)
f⁻¹ (x) = (2x - 5)/(3x - 2)
f⁻¹ (1) = (2 . 1 - 5)/(3 . 1 - 2)
f⁻¹ (1) = = (2 - 5)/(3 - 2)
f⁻¹ (1) = = -3