Plot the point in a polar coordinate system.(4, 60°)

A.

B.

C.

D.

Answer: A

Mathematics

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Find the volume of the solid generated by revolving the region about the y-axis.The region enclosed by x = , x = 0, y = 1, y = 5

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

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Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x3 + 7x2 - 16x + 18

A. 1 + i, -9, 9 B. 1 + i, 1 - i, 9 C. 1 + i, 1 - i, -9 D. 1 + i, 1 - i, 9i

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Evaluate the expression.(g ? g)(10) when f(x) = 2x - 4 and g(x) = 4x2 - 2

A. 158,402 B. 646,418 C. 1590 D. 633,614

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Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.

A. Yes; yes B. Yes; no C. No

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