The cost in dollars for removing $p$ percent of pollutants from a river in Smith County is $$C(p) = \frac{64100 p}{100 - p} .$$ Graph this function on your calculator.

Find the cost of removing 20%.

Cost for removing 20%, in dollars, is

Find the cost of removing half of the pollutants.

Cost for removing half, in dollars, is

Find the cost of removing all but 5% of the pollutants.

Cost for removing all but 5%, in dollars, is

What is the smallest value $p$ can be?

The smallest value $p$ can be is

What is the largest integer value $p$ can be?

The largest integer value $p$ can be is