tentukan rumus invers dari fungsi f(x) =3x+2 dibagi 4x-1, X =1/4

Fungsi invers

f(x) = (3x + 2)/(4x-1)
y = (3x+ 2)/(4x - 1)
y(4x - 1) = 3x + 2
4xy - y = 3x + 2
4xy - 3x = y + 2
x(4y - 3) = y + 2
x = (y+2)/(4y -3)

f⁻¹(x) = (x + 2)/(4x- 3) dgn x ≠ 3/4