Answer:
f^-1 x = 1 / (x - 2).
Step-by-step explanation:
Let y = (2x + 1)/x
Find x in terms of y:
xy = 2x + 1
xy - 2x = 1
x(y - 2) = 1
x = 1 / (y - 2)
So f^-1 x = 1 / (x - 2).
