#### Answer

No.

#### Work Step by Step

The relation is a not function because there is at least one shopping cost for which there belongs more than $1$ merchandise cost.

Published by
McDougal Littell

ISBN 10:
0618595414

ISBN 13:
978-0-61859-541-9

No.

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.