Differentiate.
A. 
B. cos x
C. 
cos x - 
sin x
D. none of these
Answer: C
Mathematics
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Evaluate the iterated integral.
dx dy
A. 
ln 2 + 
B. 
(ln 2)2 + 
C. 
ln 2 - e2 ln 2 - 
D. 
ln 2 - 
ex2 - 
Mathematics
Find the infinite sum accurate to three decimal places.
A. 1.500 B. 3.000 C. 0.500 D. 1.000
Mathematics
Find an equation for the sphere with the given center and radius.Center (0, 0, 6), radius = 10
A. x2 + y2 + z2 - 12z = 64 B. x2 + y2 + 10 z2 - 12z = 64 C. x2 + y2 + z2 + 12z = 64 D. x2 + y2 + 10 z2 + 12z = 64
Mathematics
Find the average value of the function f over the region R.f(x, y) = 4x + 10yR is the region bounded by the coordinate axes and the lines 
and 
.
A. 13
B. 
C. 26
D. 
Mathematics