Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 4 - An Introduction to Functions - 4-1 Using Graphs to Relate Two Quantities - Practice and Problem-Solving Exercises: 5

Answer

The variables are total cost and number of pounds

Work Step by Step

To find variables you look at the labels on the x and y axis. If you look at the x axis then the variable is total cost and if you look at the y axis then the variable is number of pounds
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