Question

Fungsi invers. tolong ya cara nya . kalo bisa di tulis aja terus di fotoin biar jelas

Answer 1

Y = (2x -12) / (x - 3)
2x -12 = y(x -3)
2x - 12 = xy - 3y
2x- xy = 12 - 3y
x(2-y) = 12 - 3y
x = (12 -3y) /(2 - y)
f⁻¹ (x) = (12- 3x)/(2-x)

daerah asal  2 - x ≠ 0
x ≠ 2