The Monthly Demand for a Certain Brand of Table Wine

Essay

The monthly demand for a certain brand of table wine is given by the demand equation where p denotes the wholesale price per case (in dollars) and x denotes the number of cases demanded.
Find the rate of change of the price to the nearest hundredth of a cent per case when x = 1,000.
__________ cents per case
What is the price per case when x = 1,000.
$__________ / case