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2. Let R={(a,b),(a,c),(c,d),(a,a),(b,a)}. What is RR, the composition of R with itself? What is R1, the inverse of R ? Is R,RR, or R1 a

2. Let R={(a,b),(a,c),(c,d),(a,a),(b,a)}. What is RR, the composition of R with itself? What is R1, the inverse of R ? Is R,RR, or R1 a function

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