Identify the Domain and Range of the Relation, and Determine $$\{ ( - 9,4 ) , ( - 1,2 ) , ( 18 , - 2 ) , ( - 1 , - 4 ) \}$$

Multiple Choice

Identify the domain and range of the relation, and determine whether the relation is a function.
- $$\{ ( - 9,4 ) , ( - 1,2 ) , ( 18 , - 2 ) , ( - 1 , - 4 ) \}$$

A) Domain: $\{ - 4 , - 2,2,4 \}$ ; Range: $\{ - 9 , - 1,18 \} ;$ Not a function
B) Domain: $\{ - 9 , - 1 , - 1,18 \}$ ; Range: $\{ - 4 , - 2,2,4 \}$ ; Function
C) Domain: $\{ - 4 , - 2,2,4 \}$ ; Range: $\{ - 9 , - 1,18 \}$ ; Function
D) Domain: $\{ - 9 , - 1,18 \}$ ; Range: $\{ - 4 , - 2,2,4 \} ;$ Not a function