Each time your heart beats, your blood pressure first increases
and then decreases as the heart rests between beats. The maximum
and minimum blood pressures are called the systolic and
diastolicpressures, respectively. Your blood pressure
reading is written as systolic/diastolic. A reading of 120/80
is considered normal.
A certain person's blood pressure is modeled by the function
p(t) = 130 + 25 sin(150πt)
where p(t) is the pressure in mmHg (millimeters of mercury), at time t measured in minutes.
(a) Find the period of p.
min
(b) Find the number of heartbeats per minute.
heartbeats per minute
(c) Graph the function p.
(d) Find the blood pressure reading.
systolic/diastolic = /
How does this compare to normal blood pressure?
This reading is lower than normal.This reading is normal. This reading is higher than normal.
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