Give an appropriate answer.If f(x, y, z) = (x4 + y2 + z)2 find fyy(x, y, z).
A. 4x4 + 12y2 + 4z
B. 8y2(x4 + y2 + z)
C. 4y2(x4 + y2 + z)
D. 2x4 + 6y2 + 2z
Answer: A
Mathematics
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
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Find the perimeter the trapezoid.
A. 442 m B. 32 m C. 49 m D. 92 m
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Find the average.75, 83, 63, 79, 60
A. 60 B. 75 C. None D. 72
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An auxiliary electric power station will serve three communities, A, B, and C, whose relative locations are shown in the accompanying figure. Determine where the power station should be located if the sum of the squares of the distances from each community to the site is minimized. Please round the answer to the nearest hundredth.
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What will be an ideal response?
Mathematics