2>Inverse of f(x)= cuberoot((1+x)/2x)
(a)(2x/(1+x))^3
(b) 1/(2x^3-1)
(c)(1/(2x-x))^3
(d)2x/(x^3-1)
Here's how to find an inverse:
Given the function y = f(x), switch the roles of x and y. Thus you have the equation x = f(y). Now solve for y and that gives you your inverse function.