Find the Domain and the Range of the Relation $\{ ( 8,5 ) , ( 8 , - 9 ) , ( 8 , - 1 ) \}$

Multiple Choice

Find the domain and the range of the relation.
- $\{ ( 8,5 ) , ( 8 , - 9 ) , ( 8 , - 1 ) \}$

A) domain: $\{ 8 \}$ ; range: $\{ - 9 , - 1,5,8 \}$
B) domain: $\{ 8 \}$ ; range: $\{ - 9 , - 1,5 \}$
C) domain: $\{ 5,8 \}$ ; range: $\{ - 9 , - 1 \}$
D) domain: $\{ - 9 , - 1,5 \}$ ; range: $\{ 8 \}$