Determine Whether the Function Is a One-To-One Function $$\mathrm { f } = \{ ( - 3,17 ) , ( - 4 , - 5 ) , ( - 18,19 ) \}$$

Multiple Choice

Determine whether the function is a one-to-one function.
- $$\mathrm { f } = \{ ( - 3,17 ) , ( - 4 , - 5 ) , ( - 18,19 ) \}$$

A) one-to-one
B) not one-to-one