College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 3 - Section 3.1 - Functions - 3.1 Assess Your Understanding: 34

Answer

The equation $y=|x|$ defines a function.

Work Step by Step

For any input x, the absolute value operation yields only one output y. For example, if $ x=7$, then $y=|7|=7$. If $x=-3$, then $y=|-3|=3$. This means that the equation $y=|x|$ defines a function.
Update this answer!

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

Update this answer

After 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.