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OpenStudy (anonymous):
The town has a population of 1000 in 1990. It has been decreasing by 3% ever since. The equation is: y= 1000(.97)^x now it asks what will the population be in the year 2000. If x is the years and y is the population. And the next question is when will the population reach 850?
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OpenStudy (perl):
how many years is 2000 since 1990 ?
OpenStudy (anonymous):
y=1000(1-r)^t I thought. Exponential decay
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