Evaluate the integral.

A. -  cos 6x - x sin 9x + C
B. -  cos 6x - 9x sin 6x + C
C. -  cos 6x - x sin 6x + C
D. -  cos 6x -  sin 6x + C

Answer: C

Mathematics

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Find the absolute extreme values of the function on the interval.F(x) = - , 0.5 ? x ? 5

A. absolute maximum is  at x = ; absolute minimum is -12 at x =5
B. absolute maximum is -  at x = 5; absolute minimum is -12 at x =   
C. absolute maximum is -  at x = 5; absolute minimum is -12 at x = -   
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A. 16x2 + 64y2 = 1
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C.  +  = 1
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Find the indicated matrix.Let B = [-1 3 6 -3]. Find -4B.

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