Question

Calcula la función inversa de f(x)= (x-3) / 4x.

Answer 1

F(x)= (x-3)/4x x->y
y->x
x=(y-3)/4y
4xy-y=-3
y(4x-1)=-3

y= (-3)/(4x-1) fact signo

RESP. y^-1= 3/(1-4x)