Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Appendix A - Basic Algebra Review - A Exercises - Page A-15: 107



Work Step by Step

Step 1: The interval shown on the number line does not include the endpoint value of $-5$ but includes the endpoint value of $10$. Step 2: Therefore, we use one parenthesis (with the value not included) and one bracket (with the value that is included) at the ends of the interval. Step 3: Therefore, the given interval in interval notation is written as $(-5,10]$.
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