After Exercising for a Few Minutes, a Person Has a Respiratory

question 275

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

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Definitions:

Demand Schedule

A demand schedule is a table that shows the quantity of a good or service that consumers are willing and able to purchase at various prices.

Marginal Cost

The cost of producing one additional unit of a good or service.

Markup

The gap between the purchase expense of a good or service and the price at which it's sold, represented as a percentage of the buying price.

Concentration Ratios

Measures that indicate the degree of concentration in an industry, often used to assess competition levels.