Each Time Your Heart Beats, Your Blood Pressure Increases, Then $p ( t ) = 120 + 25 \sin ( 150 \pi t )$

question 93

Essay

Each time your heart beats, your blood pressure increases, then decreases as the heart rests between beats. A certain person's blood pressure is modeled by the function $p ( t ) = 120 + 25 \sin ( 150 \pi t )$ , where $p ( t )$ is the pressure in mmHg, at time t measured in minutes.
(a) Find the amplitude, average pressure between beats, the maximum and minimum blood pressure, period, and frequency of p.
(b) Sketch the graph of p.

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