#### Answer

{(6;-3),(1,2),(8,5)}

#### Work Step by Step

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:
{(6;-3),(1,2),(8,5)}