Cheyennefuerte8849go Cheyennefuerte8849go Mathematics Answered let r be the relation on the set {0, 1, 2, 3} containing the ordered pairs (0, 1), (1, 1), (1, 2), (2, 0), (2, 2), and (3, 0). find the: a. reflexive closure of r b. symmetric closure of r.