QUESTION9 LetA={1,2,3}. (a) How many functions are there from A to A? (b) How many one -to-one functions are there from A to A?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 2E
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QUESTION 9
LetA={1,2,3}.
(a) How many functions are there from A to A?
(b) How many one-to -one functions are there from A to A?
Transcribed Image Text:QUESTION 9 LetA={1,2,3}. (a) How many functions are there from A to A? (b) How many one-to -one functions are there from A to A?
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