If the Function Is One-To-One, Find Its Inverse $$\{ ( 3 , - 5 ) , ( 5 , - 3 ) , ( 9,2 ) , ( - 9 , - 2 ) \}$$

Multiple Choice

If the function is one-to-one, find its inverse. If not, write ʺnot one-to-one.ʺ
- $$\{ ( 3 , - 5 ) , ( 5 , - 3 ) , ( 9,2 ) , ( - 9 , - 2 ) \}$$

A) $\{ ( - 2,9 ) , ( 9,5 ) , ( - 5,3 ) , ( 2 , - 9 ) \}$
B) $\{ ( - 5,3 ) , ( - 3,5 ) , ( 2,9 ) , ( - 2 , - 9 ) \}$
C) $\{ ( - 2,9 ) , ( - 3,5 ) , ( - 5,5 ) , ( 2 , - 9 ) \}$
D) not one-to-one