Give the Domain and Range of the Relation $$\{ ( 2,2 ) , ( - 1 , - 1 ) , ( - 6 , - 6 ) , ( 5,5 ) \}$$

Multiple Choice

Give the domain and range of the relation.
- $$\{ ( 2,2 ) , ( - 1 , - 1 ) , ( - 6 , - 6 ) , ( 5,5 ) \}$$

A) domain: $\{ - 6 , - 1,2,5 \}$ ; range: $\{ - 6 , - 1,2,5 \}$
B) domain: $\{ 2,5 \}$ ; range: $\{ - 6 , - 1 \}$
C) None of these
D) domain: $\{ - 6 , - 1 \}$ ; range: $\{ 2,5 \}$