#### 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.

Published by
Prentice Hall

ISBN 10:
0133500403

ISBN 13:
978-0-13350-040-0

Use an open circle as the endpoint for $c\lt8$.
Use a solid circle as the endpoint for $c\geq10$.

The two graphs do not intersect.

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