#### Answer

$(4,\infty)$

#### Work Step by Step

The symbol $\cap $ indicates an intersection of sets (of intervals).
Graph each interval and find the intersection (the set containing numbers that belong to both intervals).

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Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$(4,\infty)$

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