Let A {a, b, c, d, e} and B = {1, 2, 3}. a. Find the number of 1-1 functions from A to A b. Find the number of 1-1 functions from A to B c. Find the number of 1-1 functions from B 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 30E
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Let A = {a, b, c, d, e} and B = {1, 2, 3}.
a. Find the number of 1-1 functions from A to A
b. Find the number of 1-1 functions from A to B
c. Find the number of 1-1 functions from B to A
Transcribed Image Text:Let A = {a, b, c, d, e} and B = {1, 2, 3}. a. Find the number of 1-1 functions from A to A b. Find the number of 1-1 functions from A to B c. Find the number of 1-1 functions from B to A
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