Answer
Figure (a)
Work Step by Step
At noon, we begin to breathe. So, the volume of air in lungs will increase, then decrease as we exhale. It will again increase as we start breathing.
Hence. figure (a) is the answer.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 1 - Section 1.3 - Graphing Equations - Exercise Set - Page 38: 62
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