Let X= {a, b, c} and Y= {1, 2, 3, 4}. Which of the relations A, B, C defined below are functions from Xto Y? CHECK YOUR PROGRESS a. A= {(a, 1), (b, 2), (c, 3)} b. For all (x, y) EX X Y, (x, y) E B means that xis a vowel and yis even. c. C is defined by the arrow diagram • 3

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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Let X= {a, b, c} and Y= {1, 2, 3, 4}. Which of the relations A, B, C defined below
are functions from Xto Y?
CHECK YOUR PROGRESS
a. A= {(a, 1), (b, 2), (c, 3)}
b. For all (x, y) EX x Y, (x, y) E B means that xis a vowel and yis even.
c. C is defined by the arrow diagram
Y
1
b
• 3
Transcribed Image Text:Let X= {a, b, c} and Y= {1, 2, 3, 4}. Which of the relations A, B, C defined below are functions from Xto Y? CHECK YOUR PROGRESS a. A= {(a, 1), (b, 2), (c, 3)} b. For all (x, y) EX x Y, (x, y) E B means that xis a vowel and yis even. c. C is defined by the arrow diagram Y 1 b • 3
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