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