Mathematics B Exam Worksheet - Regents High School Examination, The University Of The State Of New York, 2005 Page 10

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26 A certain drug raises a patient’s heart rate, h(x), in beats per minute,
according to the function h(x) = 70 + 0.2x, where x is the bloodstream
drug level, in milligrams. The level of the drug in the patient’s blood-
stream is a function of time, t, in hours, according to the formula
(
)
t
g(t) = 300(0.8)
. Find the value of h
g(4)
, the patient’s heart rate in
beats per minute, to the nearest whole number.
[10]
Math. B – June ’05

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