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Eliminating pollution If the pollution of Lake Erie were stopped suddenly, it has been estimated that the level y of pollutants would decrease according to the formula y = yoe-0.3821, where t is the time in years and y, is the pol- lutant level at which further pollution ceased. How many years would it take to clear 50% of the pollutants?

Eliminating pollution If the pollution of Lake Erie were stopped suddenly, it has been estimated that the level y of pollutants would decrease according to the formula y = yoe-0.3821, where t is the time in years and y, is the pol- lutant level at which further pollution ceased. How many years would it take to clear 50% of the pollutants?

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Eliminating pollution If the pollution of Lake Erie were stopped suddenly, it has been estimated that the level y of pollutants would decrease according to the formula y = yoe-0.3821, where t is the time in years and y, is the pol- lutant level at which further pollution ceased. How many years would it take to clear 50% of the pollutants?
Transcribed Image Text:Eliminating pollution If the pollution of Lake Erie were stopped suddenly, it has been estimated that the level y of pollutants would decrease according to the formula y = yoe-0.3821, where t is the time in years and y, is the pol- lutant level at which further pollution ceased. How many years would it take to clear 50% of the pollutants?
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