Decide Whether the Relation Is a Function $$\{ ( - 7 , - 8 ) , ( - 5,8 ) , ( 1,5 ) , ( 3 , - 4 ) \}$$

Multiple Choice

Decide whether the relation is a function.
- $$\{ ( - 7 , - 8 ) , ( - 5,8 ) , ( 1,5 ) , ( 3 , - 4 ) \}$$

A) function
B) not a function