Question: Let f: Z rightarrow Z be a function defined as f(x) = 3x + 7. Prove: a) f is one to one b) f is

Let f: Z rightarrow Z be a function defined as f(x)

Let f: Z rightarrow Z be a function defined as f(x) = 3x + 7. Prove: a) f is one to one b) f is NOT onto

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