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.)
Find the number of cycles per minute.
A) 12 cycles/min
B) 10 cycles/min
C) 15 cycles/min
D) 13 cycles/min
E) 11 cycles/min
Correct Answer:

Verified
Correct Answer:
Verified
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