If the Function Is One-To-One, Find Its Inverse $$\{ ( 19,5 ) , ( 10 , - 1 ) , ( - 19,7 ) \}$$

Multiple Choice

If the function is one-to-one, find its inverse. If not, write "not one-to-one."
- $$\{ ( 19,5 ) , ( 10 , - 1 ) , ( - 19,7 ) \}$$

A) $\{ ( 19 , - 1 ) , ( 19,10 ) , ( 7 , - 19 ) \}$
B) $\{ ( 5,19 ) , ( - 1,10 ) , ( 7 , - 19 ) \}$
C) $\{ ( 5,19 ) , ( - 19,10 ) , ( 7 , - 1 ) \}$
D) not one-to-one