A scientist measures the nicotine in the bloodstream after a volunteer begins smoking a cigarette. The blood was tested at 5-min intervals for 3 hr. The scientist 700t fitted the data with the model N (t) = , where N (t) is measured in nanograms per milliliter (ng/mL) and t is the time in minutes. If the smoker goes +550 into withdrawal when the nicotine level falls below 10 ng/mL, when would the smoker need another cigarette? Round to the nearest minute. Nicotine versus Time Nicotine (ng/mL) NO 24- 22- 20+ 48- 16- 14 12- 10- 8 60 80 100 120 140 160 180 Time(minutes) The smoker would need another cigarette min after the previous cigarette. $
A scientist measures the nicotine in the bloodstream after a volunteer begins smoking a cigarette. The blood was tested at 5-min intervals for 3 hr. The scientist 700t fitted the data with the model N (t) = , where N (t) is measured in nanograms per milliliter (ng/mL) and t is the time in minutes. If the smoker goes +550 into withdrawal when the nicotine level falls below 10 ng/mL, when would the smoker need another cigarette? Round to the nearest minute. Nicotine versus Time Nicotine (ng/mL) NO 24- 22- 20+ 48- 16- 14 12- 10- 8 60 80 100 120 140 160 180 Time(minutes) The smoker would need another cigarette min after the previous cigarette. $
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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Transcribed Image Text:A scientist measures the nicotine in the bloodstream after a volunteer begins smoking a cigarette. The blood was tested at 5-min intervals for 3 hr. The scientist
700t
fitted the data with the model N (t) =
, where N (t) is measured in nanograms per milliliter (ng/mL) and t is the time in minutes. If the smoker goes
+550
into withdrawal when the nicotine level falls below 10 ng/mL, when would the smoker need another cigarette? Round to the nearest minute.
Nicotine versus Time
Nicotine (ng/mL)
NO
24-
22-
20+
48-
16-
14
12-
10-
8
60
80
100
120
140
160
180
Time(minutes)
The smoker would need another cigarette
min after the previous cigarette.
$
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