If the Function Is One-To-One, Find Its Inverse $$\{ ( - 7 , - 7 ) , ( - 6 , - 7 ) , ( - 5 , - 3 ) , ( - 4 , - 9 ) \}$$

If the function is one-to-one, find its inverse. If not, write "not one-to-one."
- $$\{ ( - 7 , - 7 ) , ( - 6 , - 7 ) , ( - 5 , - 3 ) , ( - 4 , - 9 ) \}$$

A) $\{ ( - 7 , - 7 ) , ( - 9 , - 3 ) , ( - 5 , - 6 ) \}$
B) $\{ ( - 7 , - 9 ) , ( - 7 , - 3 ) , ( - 5 , - 6 ) \}$
C) $\{ ( - 7 , - 7 ) , ( - 6 , - 3 ) , ( - 5 , - 9 ) \}$
D) not one-to-one