Let R and S be two relations on a set of positive integers I. If R = { – McqOptions

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1.	Let R and S be two relations on a set of positive integers I. If R = {(a, 3a+a)},S = {(a,a+a)} then R composition R composition R = __________.
A.	{(a,3a+a)}
B.	{(a,9a+a)}
C.	{(a,27a+a)}
D.	{(a,9a+c)}
Answer» D. {(a,9a+c)}

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