The monthly demand for a certain brand of perfume is given by the demand equation  where p denotes the retail unit price (in dollars) and x denotes the quantity (in 1-oz bottles) demanded. Find the rate of change of the price to the nearest hundredth of a cent per bottle when  x = 1,000.
?

A. The rate of change of the price is -3.26 cents per bottle.
B. The rate of change of the price is -2.46 cents per bottle.
C. The rate of change of the price is 4.92 cents per bottle.
D. The rate of change of the price is -10.46 cents per bottle.

Answer: B

Mathematics

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