Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 4 - An Introduction to Functions - 4-1 Using Graphs to Relate Two Quantities - Practice and Problem-Solving Exercises - Page 237: 5


total cost and number of pounds are the variables.

Work Step by Step

The variables are cost and number of pounds. You can see them because they are represented on the axiis. In this graph, as hte total number of pounds increses, the cost increases, first quickly and then more slowly.
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