Evaluate the integral.
A. - 
cos 9x - 5x sin 9x + C
B. - 
cos 9x - 
x sin 9x + C
C. - 
cos 9x - 
x sin 5x + C
D. - 
cos 9x - 
sin 9x + C
Answer: B
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Which of the following does not occur in tessellations? ?
A. ?A regular polygon tessellates about a point. B. ?An equilateral triangle tessellates about a point. C. ?A square tessellates about a point because 4 rotations of 90? completes the tessellation. D. ?A regular hexagon tessellates about a point because 3 rotations of 120? completes the tessellation. E. ?There are no other regular polygons with sides greater than 6 which tessellate.
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = x7 sin x
A. 7 sin x ln x
B. 7 cos x ln x + 
C. x sin x
D. 7 x7 sin x
Solve the problem.An open rectangular box with a square base has height 
Sketch the surface area as a function of the length of one side of the base.
A. 
B. 
C. 
D. 
Solve for x in the following.
÷ x = 
A. 
B. 
C. 
D. 