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.