College Math CLEP Prep Practice Exam

The inverse of an equation is found by swapping the x and y variables and solving for y. In this equation, the x and y variables are already swapped, so the inverse is already given. Choices A, B, and C do not correctly represent the inverse as they do not swap the variables and/or do not have the same sign for the x coefficient. Thus, the only correct option is D, where the x and y variables are swapped and the sign of the x coefficient is changed to the reciprocal.