Give the Domain and Range of the Relation $\{ ( 1,7 ) , ( - 1 , - 9 ) , ( - 6 , - 5 ) , ( 5,0 ) \}$

Multiple Choice

Give the domain and range of the relation.
- $\{ ( 1,7 ) , ( - 1 , - 9 ) , ( - 6 , - 5 ) , ( 5,0 ) \}$

A) domain: $\{ - 9 , - 6 , - 5 , - 1 \}$ ; range: $\{ 1,5,7 \}$
B) domain: $\{ - 6 , - 1,1,5 \}$ ; range: $\{ - 9 , - 5,0,7 \}$
C) domain: $\{ 1,5,7 \}$ ; range: $\{ - 9 , - 6 , - 5 , - 1 \}$
D) domain: $\{ - 9 , - 5,0,7 \}$ ; range: $\{ - 6 , - 1,1,5 \}$