Solve the problem.A music store manager collected data regarding price and quantity demanded of cassette tapes every week for 10 weeks, and found that the exponential function of best fit to the data was 
Express the function of best fit in the form p = p0ekq, and use this expression to predict the quantity demanded if the price is $8.50.
What will be an ideal response?
p = 25e-0.12q; 9 cassettes
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Solve the problem.A swimming pool has a rectangular base 12 ft long and 24 ft wide. The sides are 5 ft high, and the pool is half full of water. How much work will it take to empty the pool by pumping the water out over the top of the pool? Assume that the water weighs 62.4 lb/ft3. Give your answer to the nearest ft ? lb.
A. 168,480 ft ? lb B. 224,640 ft ? lb C. 84,240 ft ? lb D. 112,320 ft ? lb
Find the following. Assume that letters can represent any real number.
A. Not a real number B. 8 C. 64 D. -8
Evaluate the line integral of f(x,y) along the curve C.f(x, y) = y2 + x2, C: the perimeter of the circle x2 + y2 = 9
A. 27? B. 6? C. 54? D. 18?
Convert between English and Metric System of Units.
44 mph = 
km/h (Round to the nearest thousandth.)
A. 70.796 B. 27.346 C. 24.444 D. 79.596