Which of the following does not represent the concept of surface area?
?
A. ?The visible surface you can see.
B. ?The area of each visible surface.
C. ?The space the shape takes up.
D. ?S = 2wl + 2wh + 2lh
E. S = 2(wh + wl + hl)?
Answer: C
Mathematics
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Find the centroid of the region.
A. 
= 
, 
= - 
B. 
= - 
, 
= 
C. 
= 0, 
= 
D. 
= 
, 
= - 
Mathematics
Evaluate the double integral over the given region.
R: 0 ? x ? 2, 0 ? y ? 4
A. 
ln 3
B. ln 3 ln 5
C. ln 15
D. 5 ln 3
Mathematics
Find all the first order partial derivatives for the following function.f(x, y, z) = z(ex)y
A. 
= zyexy; 
= zxexy; 
= zexy
B. 
= zexy; 
= zexy; 
= exy
C. 
= zyexy; 
= zxexy; 
= exy
D. 
= zxexy; 
= zyexy; 
= exy
Mathematics
Find a power series representation for
f(t) = 1n(14-t)
Mathematics