Question

Choose the relation with a domain of {-4, -2, 0, 1, 3}.
Answer
R = {(3, 1), (0, 0), (-2, -4)}
R = {(-4, -2), (0, 0), (1, 3)}
R = {(2, 3), (8, 1), (2, 1), (-5, 0), (4, -4), (5, -2)}
R = {(3, 2), (1, 8), (1, 2), (0, -5), (-4, 4), (-2, 5)}

Answer 1

looks like there has to be at least 5 OPs so that leaves the last to to sort thru

Answer 2

since 2 aint used in the domain, the set with a (2,y) aint gonna be it either