Evaluate the integral.
A. 
ln 
+ C
B. 
tan-1 
+ C
C. 
ln 
+ C
D. 2
+ 2
tan-1 
+ C
Answer: C
Mathematics
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Find the average value of 
over the given region.
over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 62
B. 
C. 50
D. 74
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Find the requested product.f(x) = 9x + 5, g(x) = -8x + 5Find (f ? g)(2).
A. 0 B. 253 C. -253 D. -506
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Match the equation to the correct graph.y = (x + 5)2
A. 
B. 
C. 
D. 
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Express the sum or difference as a product of sines and/or cosines.sin 
+ sin 
A. 2 sin(11?)
B. 2 cos(11?) sin ?
C. 2 sin 
sin ?
D. 2 sin 
cos ?
Mathematics