Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by 
What is the cost per ton for x = 50? Round your answer to the nearest hundredth, if necessary.
A. $456.52
B. $4725.00
C. $5250.00
D. $10.00
Answer: A
Mathematics
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Evaluate the integral.
dx
A. 
e(3 sin 4x) + C
B. 
ln
+ C
C. e(3 sin 4x) + C
D. 3 ln
+ C
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Find the surface area of the surface S.S is the portion of the surface 4x + 3z = 7 that lies above the rectangle 3 ? x ? 10 and 
in the 
A. 
B. 
C. 35
D. 
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Solve the problem.If we neglect air resistance, the polynomial -16t2 + h0 describes the height of a falling object after falling from an initial height h0 for t seconds. A cliff is 1702 feet high. If a coin were dropped from the top of the cliff, how high would the coin be from the ground after 9 seconds?
A. 396 ft B. 420 ft C. 440 ft D. 406 ft
Mathematics
Find the indicated function.Let f = 
and g = 
. Find f ? g.
A. 
B. 
C. 
D. 
Mathematics