Solve the problem.Because of material shortages, it is increasingly expensive to produce 6.2L diesel engines. In fact, the profit in millions of dollars from producing x hundred thousand engines is approximated by 
where 
Find the inflection point of this function to determine the point of diminishing returns.
A. (10, 114.67)
B. (10, 2048)
C. (10, 1958)
D. (7.50, 2048)
Answer: B
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Solve the problem.Write 
+ 
as a single iterated integral.
A. 
B. 
C. 
D. 
Graph the pair of parametric equations with the aid of a graphing calculator.x = cos t + 4 cos 3t, y = 5 cos t - 4 sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Solve the problem.A pendulum traces out a path over the x, y-plane described by 
. Determine the center and the radius of the circle by completing the square. Round each number in your answer to the nearest hundredth.
A. (-41.16, 27.51), r = 82.65 B. (-41.16, 27.51) r = 1366.20 C. (-13.72, 9.17), r = 16.53 D. (13.72, -9.17), r = 273.24
If the sum of the vertex angles of a polygon is 540 , then it is called a(n) ___________ .
Fill in the blank(s) with the appropriate word(s).