What are the domain and the range of the relation?

{(_4, 3), (0, _10), (6, _6), (7, 0), (9, _5), (13, _2)}

choose exactly two answers that are correct.

a.
domain: {_10, _6, _5, _2, 0, 3}

b.
domain: {_4, 0, 6, 7, 9, 13}

c.
range: {_10, _6, _5, _2, 0, 3}

d.
range: {_4, 0, 6, 7, 9, 13}