Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 11 - Additional Topics - 11.7 - Relations and Functions - Problem Set 11.7 - Page 509: 47


The answer is below.

Work Step by Step

In everyday life, we often ask whether something "functions" properly, which is another way of asking whether or not it works properly. In mathematics, functions are often used to describe how real world things work, often finding the optimal situation in which these things will work the best. Thus, while the words aren't exactly related, they are used in many of the same contexts.
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