Determine Whether the Relation Is a Function $$\{ ( - 9,9 ) , ( - 9 , - 1 ) , ( 2 , - 8 ) , ( 5,4 ) , ( 10 , - 9 ) \}$$

Multiple Choice

Determine whether the relation is a function.
- $$\{ ( - 9,9 ) , ( - 9 , - 1 ) , ( 2 , - 8 ) , ( 5,4 ) , ( 10 , - 9 ) \}$$

A) Not a function
B) Function