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  3. 2 determine whether the following functions are injective surjective bijective...

Question: 2 determine whether the following functions are injective surjective bijective...

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2. Determine whether the following functions are injective, surjective, bijective. Justify your answers. a. Let f:QQ+ be defined by f (n)n b. Let f:RR+ be defined by f ()2
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