Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.A tank is designed by revolving the parabola y = 2x2, 0 ? x ? 2, about the y-axis. The tank, with dimensions in meters, is filled with water weighing 
How much work will it take to empty the tank by pumping the water to the tank's top? Give your answer to the nearest J.
A. 1,313,605 J B. 41,050 J C. 3,940,814 J D. 656,802 J
Provide an appropriate response.In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find b if A = 27° and c = 15 ft.
Fill in the blank(s) with the appropriate word(s).
Simplify the expression.
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?
A. 
?
B. 
C. 
D. 
E. 
Write a cost function for the problem. Assume that the relationship is linear.Marginal cost, $70; 90 items cost $7100 to produce
A. C(x) = 70x + 800 B. C(x) = 9x + 7100 C. C(x) = 70x + 7100 D. C(x) = 9x + 800