Algebra 1

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

Chapter 4 - An Introduction to Functions - 4-4 Graphing a Function Rule - Practice and Problem-Solving Exercises - Page 257: 22


The graph of the function w=37000+4200c is shown below. The domain is from 0 to 8 cars. We will use a discrete graph.

Work Step by Step

The graph of the function w=37000+4200c is a discrete graph because the tractor-tailer can hold a maximum of 8 cars and a minimum of 0 cars. You also need a discrete graph because you can only have whole numbers of cars as you can't have half a car. Furthermore, the domain is 0 to 8 cars because it is the minimum and maximum amount of cars it can carry respectively and thus the graph is limited in this respect.
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