Determine Whether the Relation Is a Function $$\{ ( - 6 , - 9 ) , ( - 4 , - 8 ) , ( 1,6 ) , ( 3 , - 9 ) \}$$

Determine whether the relation is a function.
- $$\{ ( - 6 , - 9 ) , ( - 4 , - 8 ) , ( 1,6 ) , ( 3 , - 9 ) \}$$

A) Function
B) Not a function