Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter R - Algebra Reference - R.5 Inequalities - R.5 Exercises - Page R-21: 10



Work Step by Step

The "(3..." indicates that numbers in this interval are greater than 3 (but never equal to 3, since the left endpoint is not included in the interval). The "...$\infty$)" indicates that these (positive) numbers can be unbounded in magnitude so there is no right endpoint. In brief, this interval contains all numbers greater than 3. For a number x from this interval, we can write $x>3$
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