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Problem 5.-(P30 in textbook) Let f: X - Y be a function and A, B C Y be subsets of the codomain. a. Is f

Problem 5.-(P30 in textbook) Let f: X - Y be a function and A, B C Y be subsets of the codomain. a. Is f '(AUB) = f-1(A) Uf-1(B)? Always, sometimes, or never? Explain. b. Is f-1(AnB) = f-1(A) nf-1(B)? Always, sometimes, or never? Explain

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