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 time for one full respiratory cycle.?
?
A. 6 sec
B. 2 sec
C. 7 sec
D. 3 sec
E. 8 sec
Answer: A
Mathematics
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A. -50 B. 400 C. 80 D. -10
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, a = 27
A. L(x) = 
x + 1
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C. L(x) = 
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D. L(x) = 
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A. 
B. 
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A. 36
B. 
C. 
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