Question: Let : and : be functions. Prove that if and are one-to-one, then is one-to-one. Use the definition of one-to-one (and perhaps what it means

Let : and : be functions. Prove that if and are one-to-one, then is one-to-one. Use the definition of one-to-one (and perhaps what it means to not be one-to-one) in your answer.

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