State the domain of the function. discrete graph defined on the set of points negative two comma positive one and negative one comma positive two and zero comma zero and zero comma positive three and positive one comma positive three and positive two comma positive four and positive two comma positive five. {1, 2, 3, 3, 4, 5} {−3, −1, 1, 2, 3} {0, 1, 2} {−2, −1, 0, 1, 2}