The cost of purifying water is given by C =

Question

The cost of purifying water is given by C =  
- 2000 where C is the cost in dollars and p is the percent of impurities left in the water after purification.Graph this function on your graphing calculator and explore the graph as the percent of impurities gets very small.Compare the cost of increasing the purity of the rate from 5% to 6% with the cost of increasing the impurity from 50% to 51%.What does this mean?

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The Answer of The cost of purifying water is given by C =  
- 2000 where C is the cost in dollars and p is the percent of impurities left in the water after purification.Graph this function on your graphing calculator and explore the graph as the percent of impurities gets very small.Compare the cost of increasing the purity of the rate from 5% to 6% with the cost of increasing the impurity from 50% to 51%.What does this mean?