Multiply the monomial and the polynomial. Assume any variable exponents represent whole numbers.4xn
A. 8x4n + 12x2n + 1xn
B. 8x4n + 12xn + 1xn + 1
C. 8x4n + 12x2n + 1xn + 1
D. 8x4n - 12x2n - 1xn + 1
Answer: C
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Find all the first order partial derivatives for the following function.f(x, y) = xye-y
A. fx(x, y) = ye-y; fy(x, y) = xe-y(y - 1) B. fx(x, y) = ye-y; fy(x, y) = xe-y C. fx(x, y) = ye-y; fy(x, y) = xe-y(1 - y) D. fx(x, y) = ye-y; fy(x, y) = - xye-y
Find the x- and y- intercepts. If there are no intercepts write "No x-intercept" or "No y-intercept".-4x - 2y = 8
A. (-3, 0), (-4, 0) B. (-2, 0), (0, -4) C. (0, -3), (0, -4) D. (-2, -4), (-3, 8)
Find the infinite sum accurate to three decimal places.
A. 0.010 B. -0.007 C. -0.010 D. 0.007
Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 6.5; d = 8.5 B. w = 6.5; d = 10.5 C. w = 4.5; d = 10.5 D. w = 5.5; d = 9.5