Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-6 Compound Inequalities - Practice and Problem-Solving Exercises - Page 205: 28



Work Step by Step

Since x can be any number less than or equal to 0, the left number in the interval notation is $-\infty$ and the left delimiter is a parenthesis. On the graph, the arrow continues to the left to infinity. Since 0 is included in the solution set, the right delimiter in interval notation is a square bracket, and the endpoint of the graph is a solid circle.
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