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OpenStudy (anonymous):
On January 1, 2010 Chessville has a population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience a population decline. Its population decreases 4% each year. During what year will the population of Chessville first exceed that of Checkersville? Show all of your work and explain your steps.
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OpenStudy (anonymous):
Create a function for each population
OpenStudy (anonymous):
what do you mean
OpenStudy (anonymous):
You can represent each population as a function.
OpenStudy (anonymous):
how?
OpenStudy (stamp):
@Andrew101 Using the formula for exponential growth/decay.
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OpenStudy (agent0smith):
Exponential growth formula is \[P = P _{0} (1+r)^{t}\] P and Po are current and initial population, respectively. r is growth rate per year, t is years.
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