For the following exercises, use this scenario: The equation N ( t ) = 500 1 + 49 e − 0.7 t models the number of people in a town who have heard a rumor after t days. As t increases without bound, what value does N ( t ) approach? Interpret your answer.
For the following exercises, use this scenario: The equation N ( t ) = 500 1 + 49 e − 0.7 t models the number of people in a town who have heard a rumor after t days. As t increases without bound, what value does N ( t ) approach? Interpret your answer.
For the following exercises, use this scenario: The equation
N
(
t
)
=
500
1
+
49
e
−
0.7
t
models the number of people in a town who have heard a rumor after t days.
As t increases without bound, what value does N (t ) approach? Interpret your answer.
The number of people in a school that have caught a cold can be modeled by
C(d) = 3(4d)
where C(d) is the number of people who have caught a cold after d days.
(a) Use the model to estimate the number of people who have caught this cold after 5 days. (Include units in your answer. More information.)
After 5 days have passed,
X Units are required for this answer. have caught the cold.
(b) Use the model to estimate how long it takes for 192 people to catch this cold. (Include units in your answer. More information.)
It takes
for 192 people to catch the cold.
The dollar value v(t) of a certain car model that is t years old is given by this
V(t)=20000(0.86)
Find the value of the car and the value after 13 years
The amount of a pollutant (measured as parts per million) in a local
lake can be modeled by the function of A (t) = 14(2.71)-016i
where t is the number of years since a government program was
began to help clean up the lake. About how long will it take for the
amount of pollutant to reach 7 parts per million?
College Algebra in Context with Applications for the Managerial, Life, and Social Sciences (5th Edition)
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