Ris an equivalence relation on a set with 5 elements, Which of the following are possible?...

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Ris an equivalence relation on a set with 5 elements, Which of the following are possible? O There are 2 different equivalence classes, each with 3 elements (and possibly other equivalence classes as well). There are 2 different equivalence classes, each with 2 elements (and possibly other equivalence classes as well). There are 5 different equivalence classes altogether. Some, but not all, of the equivalence classes are empty. Ris the following relation on the set {1, 2, 3, 4} R = {(1,3), (2, 3), (2, 4)} Ris an equivalence relation on a set with 5 elements, Which of the following are possible? O There are 2 different equivalence classes, each with 3 elements (and possibly other equivalence classes as well). There are 2 different equivalence classes, each with 2 elements (and possibly other equivalence classes as well). There are 5 different equivalence classes altogether. Some, but not all, of the equivalence classes are empty. Ris the following relation on the set {1, 2, 3, 4} R = {(1,3), (2, 3), (2, 4)}

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