Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-1 Inequalities and Their Graphs - Practice and Problem-Solving Exercises - Page 168: 28

Answer

Draw an open circle on the line for 5.75, and keep the line going to the left indefinitely.

Work Step by Step

There is an empty circle at d=5.75 because 5.75 is not included, and the line goes indefinitely towards left because all lesser numbers are included.
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