Determine whether the partial fraction decomposition is correct by graphing the left side and the right side of the equation on the same coordinate system and observing whether the graphs coincide. (yes = coincide, no = does not coincide)
= 
+ 
A. No
B. Yes
Answer: B
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = xln x
A. 
2
B. xln x - 1ln x
C. 
D. 2xln x - 1ln x
Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below. Compute the standard deviation(s).0.438?0.171?0.442?0.135?0.467?0.477?0.624
A. 1.2697 B. 0.1762 C. 1.0835 D. 0.135
Solve the radical equation.9 + 
= x
A. {9} B. ? C. {18} D. {18, 4}
Solve the problem.The top and base of a window are respectively 14 ft and 3 ft above the level of an observer's eyes. At what distance from the wall must the observer stand in order to make the angle subtended by the window equal to the angle of elevation of its base? Round to the nearest whole unit.
A. 10 ft B. 8 ft C. 6 ft D. 4 ft