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Define a function g : Z - N, by g(2) = 22 + 1. (a) Prove that g is not one-to-one. This answer has not

Define a function g : Z - N, by g(2) = 22 + 1. (a) Prove that g is not one-to-one. This answer has not been graded yet. (b) Prove that g is not onto

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