Consider functions f : [5] → [9] (a) How many of the functions are injective
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.4: Definition Of Function
Problem 54E
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Consider functions f : [5] → [9]
(a) How many of the functions are injective
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How many of these injective functions are increasing? (i.e. if a<b then f(a) < f(b).
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