Several research papers use a sinusoidal graph to model blood pressure. Suppose an individual's blood pressure is modeled by the function P(t)- 20 sin (5). + 130 where the maximum value of P is the systolic pressure, which is the pressure when the heart contracts (beats), the minimum value is the diastolic pressure, and tis time, in seconds. The heart rate is the number of beats per minute (a) What is the individual's systolic pressure? (b) What is the individual's diastolic pressure? (c) What is the individual's heart rate? (a) The individual's systolic pressure is (Simplify your answer.)

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