Chapter 4 - Section 4.1 - Inverse Functions - 4.1 Exercises - Page 395: 52

{(-1,3),(0,5),(5,0),($\frac{2}{3}$,4)}

Here, each x-value has only one y-value, and vice versa, each y-value has only one x-value. Therefore this function is one-to-one. We get the inverse by interchanging the x- and y-values in every pair:{(-1,3),(0,5),(5,0),($\frac{2}{3}$,4)}