Mathematics, 12.03.2021 14:00 summerkilby8

The volume of air in the lungs during normal breathing is a sine function of time. The volume of air in a person’s lungs varies from 2.2L to 2.8L during normal breathing. Suppose a normal breath takes 4 seconds, and that t = 0 corresponds to the minimum volume. A. Draw a graph of V against t for 10 seconds, where V is the millilitres of air in the person’s lungs

B. Write an equation for the function.

C. Explain how the graph would change if the person breathes more rapidly.

*Worth 10 marks

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