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Explain why a function is a bijection

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Reference no: EM131578050

Question: The function g is called an inverse to the function f if the domain of g is the range of f, if g(f(x)) = x for every x in the domain of f and if f(g(y)) = y for each y in the range of f.

(a) Explain why a function is a bijection if and only if it has an inverse function.

(b) Explain why a function that has an inverse function has only one inverse function.

Reference no: EM131578050

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