Multiply and simplify. Assume all variables represent nonnegative real numbers. Write your answer in radical notation.
A. x6y7
B. x6y6
C. x6y6
D. x6y7
Answer: B
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Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 4x2 + 9y2; R = {(x, y): 0 ? x ? 1, 0 ? y ? 1}
A. 
B. 
C. 
D. 
Use the appropriate form of the percentage formula. Round division to the nearest hundredth if necessary.Find R if P = 24 and B = 120.
A. 21% B. 6% C. 20% D. 5%
Identify the conic that the polar equation represents. Also, give the position of the directrix.r = 
A. ellipse, directrix perpendicular to the polar axis 1 right of the pole B. hyperbola, directrix perpendicular to the polar axis 1 right of the pole C. hyperbola, directrix perpendicular to the polar axis 1 left of the pole D. ellipse, directrix perpendicular to the polar axis 1 left of the pole
For the pair of functions, perform the indicated operation.f(x) = 4x2 - 9x, g(x) = x2 - 2x - 63Find f/g.
A. 
B. 
C. 
D. 