Answer
$(2,3]$
Work Step by Step
Step 1. From $7\lt 2x+3\leq9$, we have $4\lt 2x\leq6$, thus $2\lt x\leq3$ and in interval notation $(2,3]$
Step 2. See graph for the interval on a number line.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Review Exercises - Page 145: 166
Update this answer!
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.
