Find the exact value of y, or state that y is undefined.y = csc-1 
A. 
B. - 
C. 
D. - 
Answer: B
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Evaluate the surface integral of G over the surface S.S is the cap cut from the sphere x2 + y2 + z2 = 9 by the cone z = 
; 
A. 12? B. 4? C. 0 D. 6?
Solve the problem.Economists use what is called a Leffer curve to predict the government revenue for tax rates from 0% to 100%. Economists agree that the end points of the curve generate 0 revenue, but disagree on the tax rate that produces the maximum revenue. Suppose an economist produces this rational function 
where R is revenue in millions at a tax rate of x percent. Use a graphing calculator to graph the function. What tax rate produces the maximum revenue? What is the maximum revenue?
A. 28.8%; $272 million B. 30.9%; $382 million C. 27.0%; $379 million D. 38.4%; $383 million
Solve the problem.A rectangular horse pen is to be fenced and divided into five partitions as shown. The length of the fenced-in area is to be twice the width, and the total amount of fencing to be used is 390 feet. Find the length and width of the fenced-in area.
A. l = 41 ft, w = 39 ft B. l = 27.9 ft, w = 14 ft C. l = 78 ft, w = 39 ft D. l = 86.7 ft, w = 43.3 ft
Find the volume.
A. 900 m3 B. 90 m3 C. 27,000 m3 D. 1800 m3