Blood pressure is given by two numbers written as a fraction systolic/diastolic. The systolic reading is the maximum pressure in an artery, and the diastolic reading is the minimum pressure in an artery. As the heart beats, the systolic measurement is taken; when the heart rests, the diastolic measurement is taken. A reading of 120/80 is considered normal. The pulse is the number of heartbeats per minute. Suppose the person's blood pressure after t minutes is given by p(t) = 20 sin (142πt) + 124, where p(t) is the pressure in millimeters of mercury. Answer through (a) to (c). (a) Find the period and explain how it relates to pulse. Select the correct choice below and fill in the answer box to complete your choice. (Simplify your answer. Type an integer or a simplified fraction.) A) Period = ___. The pulse is the frequency of the function; it says how many times the heart beats in one minute. B) Period = ___. The pulse is the frequency of the function; it says how many times the heart beats in one hour. (b) Graph the function over one period. (c) What is the person's blood pressure? ___ (Write an integer or a fraction. Do not simplify.)
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Blood pressure is given by two numbers written as a fraction systolic/diastolic. The systolic reading is the maximum pressure in an artery, and the diastolic reading is the minimum pressure in an artery. As the heart beats, the systolic measurement is taken; when the heart rests, the diastolic measurement is taken. A reading of 120/80 is considered normal. The pulse is the number of heartbeats per minute. Suppose the person's blood pressure after t minutes is given by p(t) = 20 sin (142πt) + 124, where p(t) is the pressure in millimeters of mercury. Answer through (a) to (c).
A) Period = ___. The pulse is the frequency of the function; it says how many times the heart beats in one minute.
B) Period = ___. The pulse is the frequency of the function; it says how many times the heart beats in one hour.
(b) Graph the function over one period.
(c) What is the person's blood pressure? ___ (Write an integer or a fraction. Do not simplify.)
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