Use the unit circle and any appropriate relationship among the trigonometric functions to find the value.
sec 
A. 
B. - 
C. -2
D. - 
Answer: D
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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
Find the value. Give an approximation to four decimal places.ln 137 - ln 14
A. -1.0638 B. 2.2809 C. 1.8643 D. 7.5590
Refer to the given system to solve the problem. Find the solution of the system for which x2 = 0 and s1 = 0
A. (x1, x2, s1, s2) = (16, 0, 0, 42) B. (x1, x2, s1, s2) = (90, 0, 0, 64) C. (x1, x2, s1, s2) = (32, 0, 0, 45) D. (x1, x2, s1, s2) = (18, 0, 0, 28)
Use the graph of y = 
to solve the equation 
where 
and y2 represent linear functions.
A. {-12} B. {-11} C. {12} D. {0}