Let D= {1, 2, 3} = C. Either define functions f: D → C with the following properties or assert that such a function does not exist. a. f is bijective b. f is onto but not 1-1 c. fis 1-1 but not onto d. fis neither 1-1- nor onto

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A: The solution is given as

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A: By using definition of one-time and onto function we solve the given problem :

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A: This question is related to topic function from real analysis.

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A: By using definition of one-time and onto function we solve the given problem :

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Q: Exercise 4.4.5. Let A and B be sets. Prove that there is a bijective function f: A × B → BXA.

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