If the Following Defines a One-To-One Function, Find Its Inverse $\{(-2,4),(2,-4),(8,-2),(-8,2)\}$

Multiple Choice

If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."
- $\{(-2,4) ,(2,-4) ,(8,-2) ,(-8,2) \}$

A) $\{(4,-2) ,(-4,2) ,(-2,8) ,(2,-8) \}$
B) $\{(4,-2) ,(-4,2) ,(-2,-8) ,(2,8) \}$
C) Not one-to-one
D) $\{(4,-2) ,(-4,2) ,(8,-2) ,(2,-8) \}$