Question 623825
If f(x)= 2/(x-1), then f^-1(x)= 
**
Find the inverse:
y=2/(x-1)
switch x and y like you did, then solve for y
x=2/y-1
xy-x=2
xy=2+x
y=(2+x)/x
f^-1=(2+x)/x
your answer is correct