Multiple Choice
After exercising for a few minutes, a person has a respiratory cycle for which the velocity of airflow is approximated by
,
Where t is the time (in seconds) .
(Inhalation occurs when v > 0 and exhalation occurs when v < 0.)
Select the graph of this velocity function.
A) 
B) 
C) 
D) 
E) 
Correct Answer:

Verified
Correct Answer:
Verified
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