Answer
Use an open circle as the endpoint for $c\lt8$.
Use a solid circle as the endpoint for $c\geq10$.
Work Step by Step
The two graphs do not intersect.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 3 - Solving Inequalities - 3-5 Working with Sets - Mixed Review - Page 199: 64
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