Suppose the total revenue function for a blender is
where x is the number of units sold. What function gives the marginal revenue?
?
A.
B.
C.
D.
E.
Answer: A
Mathematics
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Factor by grouping.2x3 - 10x2 - 3x + 15
A. (x + 15)(x2 - 10x - 3) B. Not possible C. (x - 5)(2x2 - 3) D. (x + 5)(2x2 - 3)
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Factor the difference of squares.4k2y - 121ym2
A. (4ky + ym)(k - 121m) B. (2ky + 11ym)2 C. y(2k + 11m)(2k - 11m) D. y(2k - 11m)2
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Find the second-order partial derivative.Find fxy when f(x,y) = 8x3y - 7y2 + 2x.
A. 48xy B. -14 C. -28 D. 24x2
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Give the equation of the oblique asymptote, if any, of the function.f(x) =
A. x = y - 4 B. y = x - 12 C. y = x - 4 D. no oblique asymptotes
Mathematics