Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 2 - P.S. Problem Solving - Page 239: 2

Answer

Mapping numbers onto letters is not a function since there are numbers that will be mapped to more than one letter. Mapping letters onto numbers is a function since each letter is mapped to one number.

Work Step by Step

Mapping numbers onto letters is not a function since there are numbers that will be mapped to more than one letter. Mapping letters onto numbers is a function since each letter is mapped to one number.
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