Answer
For a less than inequality, the arrow on the graph points to the left, towards decreasing numbers.
Work Step by Step
The closed dot at the endpoint indicates -1 is part of the solution.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 3 - Solving Inequalities - Chapter Review - 3-1 Inequalities and Their Graphs - Page 223: 7
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