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December 21, 2014

Homework Help: Math, Algebra

Posted by Dele on Monday, October 14, 2013 at 8:18am.

1. Cost Benefit Model
Environmental scientists often use cost-benefit models to estimate the cost of removing a pollutant from the environment as a function of the percentage of pollutant removed. Suppose a cost benefit function for the cost C (in millions of dollars) of removing x percent of the pollutants from Maple Lake is given by

C(x)= 25x/100-x


a. Find the domain and interpret what it means within the text.

b. If federal government wants to remove 90% of the pollutants, how much should the budget be ?

c. If federal government budgets $100 million to clean up the lake, what percent of the pollutants can be removed?

d. If federal government budgets $225 million to clean up the lake, what percent of the pollutants can be removed?

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