a) How many possible functions f : {a,b,c} → {1,2} are there? Explain. 4. You can use counting principles or you can show all the functions as arrow diagrams. b) How many of the functions are onto? Explain. c) How many of the functions are one-to-one? Explain.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.4: Definition Of Function
Problem 64E
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discrete math help

a) How many possible functions f : {a,b,c}→ {1,2} are there? Explain.
4.
You can use counting principles or you can show all the functions as arrow
diagrams.
b) How many of the functions are onto? Explain.
c) How many of the functions are one-to-one? Explain.
Transcribed Image Text:a) How many possible functions f : {a,b,c}→ {1,2} are there? Explain. 4. You can use counting principles or you can show all the functions as arrow diagrams. b) How many of the functions are onto? Explain. c) How many of the functions are one-to-one? Explain.
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