Question

The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=4,000/200-2x

What is the cost to remove 65% of the pollutant? Show all your work.




What is the cost to remove 95% of the pollutant? Show all your work.




What is the cost to remove 99% of the pollutant? Show all your work.




For what value is this equation undefined? Show all your work.

Answers

PsyDAG
Notice that it says "Show all <I>your</I> work."

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