Find the coordinates of the vertex of the parabola.y = 2x2 - 12x + 20

A. (-3, -2)
B. (-2, -3)
C. (2, 3)
D. (3, 2)

Answer: D

Mathematics

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Given that the pair of triangles is similar, find the length of the side labeled n. Round your results to 1 decimal place, if necessary.

A. 0.1 B. 10.3 C. 31.5 D. 14

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Mathematics

Find the quadratic approximation of f at x = 0.f(x) = tan 7x

A. Q(x) = 1 + 7x2
B. Q(x) = 7x
C. Q(x) = 1 + x2
D. Q(x) = 1 - x2

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Mathematics

Change the exponential expression to an equivalent expression involving a logarithm.2-2 = 

A. log2-2 = 
B. log2 = -2
C. log-2 = 2
D. log1/42 = -2

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Mathematics

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

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

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Mathematics