A two-to-one function is a function f: X Y such that for each y E Y...
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A two-to-one function is a function f: X→ Y such that for each y E Y there exist exactly two elements 1, 2 EX such that f(a) = y = f(x2). How many two-to-one functions are there from a 2n-element set X to an n-element set Y? A two-to-one function is a function f: X→ Y such that for each y E Y there exist exactly two elements 1, 2 EX such that f(a) = y = f(x2). How many two-to-one functions are there from a 2n-element set X to an n-element set Y?
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A twotoone function YET there for X GX such that Pa... View the full answer
Related Book For
Marketing Research
ISBN: 978-1118156636
11th edition
Authors: David A. Aaker, V. Kumar, Robert Leone, George S. Day
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