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 - 4-6 Formalizing Relations and Functions - Practice and Problem-Solving Exercises - Page 271: 12


This is not a function.

Work Step by Step

A vertical line at x=-1 intersects two points on the graph. In order to pass the vertical line test, we must be able to put a vertical line anywhere on the graph and not have it intersect the curve on the graph multiple times. Thus, this is not a function as it fails the vertical line test.
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.