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5. Let A={1,2,3,4} and B={1,2,3}. Let f: A B, f={(1,3), (2,1), (3,2), (4,2)}. a) Is fa function? Consider the function definition to justify your
5. Let A={1,2,3,4} and B={1,2,3}. Let f: A B, f={(1,3), (2,1), (3,2), (4,2)}. a) Is fa function? Consider the function definition to justify your answer. b) Is the compound relation ff 1 (first f and then f) a function?
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Calculus Graphical, Numerical, Algebraic
Authors: Ross L. Finney, Franklin D. Demana, Bert K. Waits, Daniel Kennedy
3rd Edition
0132014084, 978-0132014083
