The cost in dollars for removing p percent of pollutants from a river in Smith County is C(p)=68800p/100-p
Graph this function on your calculator.
1.Find the cost of removing 20%.
2.Find the cost of removing half of the pollutants.
3.Find the cost of removing all but 5% of the pollutants.
4.What is the smallest value, p, can be?
5.What is the largest integer value, p, can be?