State the domain of the relation. State the domain of the relation.

Discrete graph defined on the set of points negative three comma negative four and negative two comma negative three and negative one comma negative one and zero comma zero and positive one comma positive three and positive two comma positive four and positive two comma positive five.

{−4, −3, −1, 0, 3, 4, 5}
{−3, −2, −1, 0, 1, 2}
{−3, 2}
{−4, 1, 5}