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This question refers to unions and intersections of relations. Since relations are subsets of Cartesian products, their unions and intersections can be calculated as for any subsets. Given two relations R and S from a set A to a set B, R βͺ S = {(x, y) β A β B | (x, y) β R or (x, y) β S} R β© S = {(x, y) β A β B | (x, y) β R and (x, y) β S}. Let A = {β2, 2, 3, 9} and B = {2, 3}, and define relations R and S from A to B as follows. For every (x, y) β A β B, x R y β |x| = |y| and x S y β x β y is even. Which ordered pairs are in A β B, R, S, R βͺ S, and R β© S? (Use set-roster notation to enter your answers.) A β B = R = S = R βͺ S = R β© S =
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This question refers to unions and intersections of relations. Since relations are subsets of Cartes...
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