Respiratory CycleFor a person at rest, the velocity v (in liters per second) of airflow du...

Respiratory Cycle

For a person at rest, the velocity v (in liters per second) of airflow during a respiratory cycle (the time from the beginning of one breath to the beginning of the next) is given by

where t is the time (in seconds).

(a) Find the time for one full respiratory cycle.

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(b) Find the number of cycles per minute.

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(c) Sketch the graph of the velocity function.