(Identifying Functions MC)
 The graph represents a relation where x represents the independent variable and y represents the dependent variable.
 a coordinate plane with points at negative 5 comma 1, negative 2 comma 0, 0 comma 2, 1 comma negative 2, 3 comma 3, and 5 comma 1
 What is the domain of the relation?
 {−2, 0, 1, 3}
 {−2, 0, 1, 2, 3}
 {−5, −2, 0, 1, 3, 5}
 {−5, −2, 0, 1, 2, 3, 5}