6. Based on what you know about the multiplicative principle, how many functions f:A- Bare there if |A| = 5 and |B| = 7? How many of those are injective? How many are surjective? Explain your answers.
6. Based on what you know about the multiplicative principle, how many functions f:A- Bare there if |A| = 5 and |B| = 7? How many of those are injective? How many are surjective? Explain your answers.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.7: More On Inequalities
Problem 55E
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