Determine Whether the Relation Is Also a Function $\{ ( - 3,2 ) , ( - 2,6 ) , ( 1,4 ) , ( 1 , - 5 ) \}$

True/False

Determine whether the relation is also a function.
- $\{ ( - 3,2 ) , ( - 2,6 ) , ( 1,4 ) , ( 1 , - 5 ) \}$