## Algebra and Trigonometry 10th Edition

Published by Cengage Learning

# 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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