If the Function Is One-To-One, Find Its Inverse $$\{ ( - 19 , - 4 ) , ( 7 , - 12 ) , ( 16 , - 1 ) \}$$

Multiple Choice

If the function is one-to-one, find its inverse. If not, write ʺnot one-to-one.ʺ
- $$\{ ( - 19 , - 4 ) , ( 7 , - 12 ) , ( 16 , - 1 ) \}$$

A) $\{ ( - 19 , - 12 ) , ( - 19,7 ) , ( - 1,16 ) \}$
B) $\{ ( - 4 , - 19 ) , ( - 12,7 ) , ( - 1,16 ) \}$
C) $\{ ( - 4 , - 19 ) , ( 16,7 ) , ( - 1 , - 12 ) \}$
D) not one-to-one