Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Section 1.1 - Graphs and Graphing Utilities - Exercise Set - Page 160: 57


The least number of awakenings for women are at the age of $8$ years, the average of which is $1$ time.

Work Step by Step

We can observe from the line grap, that at 8 years of age, women have the least number of awakenings during the nights. And, the average number of awakenings at this age can be observed to be as 1 time. Therefore, the average number of awakenings at the age of 8 years is 1 time.
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