Everybody’s blood pressure varies over the course of the day . In a certain individual the testing diaslotic blood pressure at time t is given by B(t) =80+7sin(pi t /12),where t is measured in hours since midnight and B(t) in mmHg .find the person’s resting diastolic blood preadure at (a) 6:00am

Respuesta :

Answer:

87 mm.

Step-by-step explanation:

B(t) = 80 + 7sin(pi t/12)

t = 0600 - 0000 = 6 hours.

B(6) = 80 + 7 (sin6pi/12)

B(6) = 80 + 7 sin (pi/2)

= 80 + 7*1

= 87 mm (answer).

Measure of person's resting diastolic blood pressure is equals to 87mmHg.

What is measure?

" Measure is defined as the how much is the given quantity , it can be any measurable quantity."

Value used

[tex]sin (\frac{\pi }{2} )=1[/tex]

According to the question,

't' represents the time measured in hours

B(t) represents the measure of diastolic blood pressure

Given,

[tex]B(t) =80+7sin(\frac{\pi t}{12} )[/tex]                                    _______(1)

t = 12.00 midnight - 6.00 a.m.

 = 6 hours                                                 _______(2)    

Substitute the value of 't' from (2) in (1)  to get the measure of diastolic blood pressure,

[tex]B(6) =80+7sin(\frac{\pi (6)}{12} )\\\\\implies B(6) =80+7sin(\frac{\pi}{2} )\\\\\implies B(6) =80+7(1)\\\\\implies B(6) = 87 mmHg[/tex]

Hence, measure of person's resting diastolic blood pressure is equals to 87mmHg.

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