#### Answer

domains

#### Work Step by Step

RECALL:
For the functions $f+g, f-g, \text{ and } f\cdot g$, the domain is the set that contains all the elements common to both functions.
:
Thus, the missing expression in the given statement is:
domains

Published by
Pearson

ISBN 10:
0-32184-874-8

ISBN 13:
978-0-32184-874-1

domains

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