Add or subtract as indicated.6
+ 9
- 11
A. 15
- 11
B. 4
C. -3
- 11
D. 26
Answer: A
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Name the conic or limiting form represented by the given equation.x2 + y2 - 6x + 2y + 10 = 81
A. Circle B. Point C. Empty set D. Ellipse
Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to 
. The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.
A. 
?
B. 
?
C. 
?
D. 6?
Solve the problem. Round to tenths where necessary.P(x) = -x3 + 12x2 - 36x + 400, x ? 3 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of hundred thousands of tires that must be sold to maximize profit.
A. 6 hundred thousand B. 7 hundred thousand C. 3 hundred thousand D. 2 hundred thousand
Find the coordinates of the centroid for the region bounded by the curves y = 
, x = 0, and y = 144
What will be an ideal response?