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2. For f: {1,2,3,4,5) -> {a,b,c,d,e,f} and f(1) != a, 1. How many injective functions are there? 2. How many surjective functions are there?
2. For f: {1,2,3,4,5) -> {a,b,c,d,e,f} and f(1) != a, 1. How many injective functions are there? 2. How many surjective functions are there? 3. How many bijective functions are there?
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1 To find the number of injective functions we need to consider how many ways we c...
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Algebra Graduate Texts In Mathematics 73
Authors: Thomas W. Hungerford
8th Edition
978-0387905181, 0387905189
