n environmental study in a community shows that the level of a certain pollutant in the air is L(P)=sqrt(P) parts per million (ppm), where P is the population in heads, and the population of the community is P(t)=70t^2+200, where t is years (yr) after 2000. A) the population in 2010 was ___ people.
n environmental study in a community shows that the level of a certain pollutant in the air is L(P)=sqrt(P) parts per million (ppm), where P is the population in heads, and the population of the community is P(t)=70t^2+200, where t is years (yr) after 2000. A) the population in 2010 was ___ people.
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 25E
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Question
An environmental study in a community shows that the level of a certain pollutant in the air is L(P)=sqrt(P) parts per million (ppm), where P is the population in heads, and the population of the community is P(t)=70t^2+200, where t is years (yr) after 2000.
A) the population in 2010 was ___ people.
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
We have ,
L(p)= ppm
P(t)=
when t= 2010-2000=10 years
P(10)=
=7200
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