Question 377500
If f(x) = (2x-5)/(x+6), Find f^-1(x).  aka: Find the inverse.
2x-5 =y(x+6)

2x= yx+6y+5

2x= yx +6y +5

2x-yx=6y+5
x(2-y)= 6y+5
x= (6y+5)/(2-y)

ie f^-1(x)=(6x+5)/(2-x)