Give an appropriate answer.If f(x, y, z) = x2y2 + xyz + y2z2 find fxz(x, y, z).
A. y
B. xz
C. 2yz
D. 2xy
Answer: A
Mathematics
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Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the first-quadrant portion of the circle
if the density of the wire is 
A. 
= 5?, 
= 5?
B. 
= 
?, 
= 
?
C. 
= 
?, 
= 
?
D. 
= 0, 
= 
?
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Use the graph of the given one-to-one function to sketch the graph of the inverse function. For convenience, the graph of y = x is also given.
A. 
B. 
C. 
D. 
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Solve the problem.A circular fountain has a statue in its center, 8 m from the edge. What is the distance around the fountain?(Use 3.14 for ? .)
A. 50.24 m B. 25.12 m C. 48.24 m D. 64 m
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Differentiate.y = log2 x
A. 
B. 
C. 
D. 
Mathematics