Determine Whether the Function Is a One-To-One Function $$f = \{ ( 3,1 ) , ( - 3 , - 1 ) , ( - 5,1 ) , ( 5 , - 1 ) \}$$

Multiple Choice

Determine whether the function is a one-to-one function.
- $$f = \{ ( 3,1 ) , ( - 3 , - 1 ) , ( - 5,1 ) , ( 5 , - 1 ) \}$$

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