Find the volume of the solid generated by revolving the shaded region about the given axis.About the y-axis

A. ?
B. ?
C. ?
D. ?

Answer: D

Mathematics

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Find the derivative.y = 9x2e-x

A. 9xe-x(x + 2) B. 18xe-x(1 - x) C. 9xex(2 - x) D. 9xe-x(2 - x)

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Mathematics

Completely factor the polynomial or state that the polynomial is prime.x3 - 729

A. (x - 9)(x2 + 81) B. (x + 9)(x2 - 9x + 81) C. (x + 729)(x2 - 1) D. (x - 9)(x2 + 9x + 81)

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Mathematics

Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form.1 (multiplicity 2) and 3 + 2i (multiplicity 1)

A. f = x4 - 8x3 + 13x2 - 32x + 13
B. f = x4 + 8x3 + 26x2 - 32x + 13
C. f = x4 - 8x3 + 26x2 - 32x + 13
D. f = x4 - 8x3 + 26x2 + 32x + 13

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Mathematics

Solve.Given f(x) = x2 + 2x - 11 find all values for x for which f(x) ? -3.

A. (-?, -4] ? [2, ?) B. (-4, 2) C. ? D. [-4, 2]

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Mathematics