71. Health/Medicine. Graph the velocity function and estimatethe intervals on which the velocity of air in the trachea isincreasing and those on which it is decreasing. For Exercises 71 and 72, refer to the following:During a cough, the velocity v (in meters per second) of air in thetrachea may be modeled by the functionv(r) = – 120r³ + 80r?where r is the radius of the trachea (in centimeters) during the cough.

Answered: Health/Medicine. Graph the velocity…

Health/Medicine. Graph the velocity function and estimate the intervals on which the velocity of air in the trachea is increasing and those on which it is decreasing.

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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Question

71. Health/Medicine. Graph the velocity function and estimate
the intervals on which the velocity of air in the trachea is
increasing and those on which it is decreasing.

For Exercises 71 and 72, refer to the following:
During a cough, the velocity v (in meters per second) of air in the
trachea may be modeled by the function
v(r) = – 120r³ + 80r?
where r is the radius of the trachea (in centimeters) during the cough.

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