An engineer who accidentally inhaled poisonous fumes was given treatment for it. The concentration of poison in the engineer's blood was measured every hour. The table below shows the record: Hours Since 1 2 4 5 Inhal ati on Concentration 38.1 31.2 28.6 26.9 25.4 (ug/ cm) The data in the table can be modelled by h = a +b In C, where h is the number of hours since the accident and C is the concentration of poison in the blood. If the engineer is allowed to return to work when the concentration of poison falls below 0.2, how many days must they wait to return to work? (Round your answer UP to the nearest day).
An engineer who accidentally inhaled poisonous fumes was given treatment for it. The concentration of poison in the engineer's blood was measured every hour. The table below shows the record: Hours Since 1 2 4 5 Inhal ati on Concentration 38.1 31.2 28.6 26.9 25.4 (ug/ cm) The data in the table can be modelled by h = a +b In C, where h is the number of hours since the accident and C is the concentration of poison in the blood. If the engineer is allowed to return to work when the concentration of poison falls below 0.2, how many days must they wait to return to work? (Round your answer UP to the nearest day).
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 54E
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Transcribed Image Text:An engineer who accidentally inhaled poisonous fumes was given treatment for it.
The concentration of poison in the engineer's blood was measured every hour.
The table below shows the record:
Hours Since
1
3.
4.
Inhal ati on
Concentration
38.1
31.2
28.6
26.9
25.4
(ug/ cm)
The data in the table can be modelled by h = a +b In C, where h is the number of
hours since the accident and C is the concentration of poison in the blood.
If the engineer is allowed to return to work when the concentration of poison falls
below 0.2, how many days must they wait to return to work? (Round your answer UP
to the nearest day).
Answer:
3.
ins
prt sc
f5
16
18
T10
12
144
7.
8.
6.
3.
1/4
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