Find the derivative of the function at the given value of x.f(x) = x2 - 9x - 10; x = 3
A. -3
B. -7
C. -9
D. 6
Answer: A
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Solve the problem.Find the volume generated by revolving the curve y = cos 2x about the x-axis, 0 ? x ? ?/24
A. 
+ 
B. 
+ 
C. 
+ 
D. 
Solve the problem.Find the optimum number of batches (to the nearest whole number) of an item that should be produced annually (in order to minimize cost) if 270,000 units are to be made, it costs $2 to store a unit for one year, and it costs $520 to set up the factory to produce each batch. Assume that units of this item will be sold off throughout the year, so the cost equation will use the average cost.
A. 18 batches B. 16 batches C. 25 batches D. 23 batches
Find the area of a sector with central angle 5?/4 and a radius of 4.78m.
What will be an ideal response?
Express the sum using summation notation.
+ 
+ 
+ ... + 
A. 
B. 
C. 
D. 