Solve the problem.Miraculous Music, Inc. finds that the cost to make x compact discs is 
while the revenue produced from them is 
(C and R are in dollars). What is the smallest whole number of compact discs, x, that must be sold for the company to show a profit?
A. 1303 CDs
B. 782 CDs
C. 175,785 CDs
D. 105,471 CDs
Answer: A
Mathematics
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Evaluate the line integral along the curve C.
ds, C is the curve r(t) = (5 - 2t)i + 2tj - 1tk , 0 ? t ? 1
A. 
B. - 
C. 
D. - 
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Answer each question appropriately.Suppose that 
= 15. Find 
, if f is even.
A. -75 B. 75 C. -15 D. 15
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Graph the function.y = 
- 3
A. 
B. 
C. 
D. 
Mathematics
List the intercepts for the graph of the equation.9x2 + y2 = 9
A. (-1, 0), (0, -9), (0, 9), (1, 0) B. (-1, 0), (0, -3), (0, 3), (1, 0) C. (-9, 0), (0, -1), (0, 1), (9, 0) D. (-3, 0), (0, -1), (0, 1), (3, 0)
Mathematics