Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.7 Functions and Function Notation - 1.7 Exercises: 10

Answer

m is the input (mth month of 2012) with months as units. A is the output with thousands of tourists as units. This is a function.

Work Step by Step

We know that m is the input because it is inside the parentheses. A is the output because it is the "coefficient" of the parentheses. The units of months and thousands of tourists are both given in the problem. This is a function because there can only be one quantity of tourists that come to Arizona during any month.
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