#### Answer

c)

#### Work Step by Step

The frequency is the number of beats per second. Since 65 is greater than 60, the frequency is above one. Since period is inversely related to frequency, this means that the period is less than one.

Published by
Pearson

ISBN 10:
0-134-98855-8

ISBN 13:
978-0-13498-855-9

c)

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