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For the set X = {1, 2, 3, …, 15}, a relation R on X is defined as R = {(x, 2x + 3): x $\in$ X}  What are the respective co-domain and range of R?

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{1, 2, …, 15} and {5, 7, 9, 11, 13, 15}
Hence (D) is the correct answer.
answered Jun 26, 2014