Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = x6 sin x

A. 6 sin x ln x
B. 6 x6 sin x
C. x sin x
D. 6 cos x ln x + 


Answer: B

Mathematics

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Provide an appropriate response. Find the discriminant for 2x2 - Bx + r2 = 0.

A. -B2 - 8r2 B. 1 - 8r2 C. B2 - 8r2 D. B2 - 8

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Plot the complex number in the complex plane.9 + 2i 

A.

B.

C.

D.

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Find the coordinates for the point that is four units to the left of the y-axis and is six units up from the x-axis.

A. (-4, -6) B. (4, -6) C. (-4, 6) D. (6, 6) E. (4, 6)

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Simplify. If an expression does not represent a real number, state this.

A. 3
B.
C. 9
D. 3

Mathematics