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  3. determine whether the following functions are injective surjective bijective justify...

Question: determine whether the following functions are injective surjective bijective justify...

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2. Determine whether the following functions are injective, surjective, bijective. Justify your answers. a. Let f: Qt Q+ be defined by f (n) n2 b. Let f: R R+ be defined byf ()2Determine whether the following functions are injective, surjective, bijective. Justify your answer. Please show all necessary steps and justifications as to why the answer is correct. (R* is a set of the reals not including zero)

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