Decide Whether the Relation Defines a Function $$\{ ( 1 , - 4 ) , ( 2 , - 3 ) , ( 5,6 ) , ( 7 , - 7 ) , ( 10 , - 6 ) \}$$

Multiple Choice

Decide whether the relation defines a function.
- $$\{ ( 1 , - 4 ) , ( 2 , - 3 ) , ( 5,6 ) , ( 7 , - 7 ) , ( 10 , - 6 ) \}$$

A) Function
B) Not a function