Evaluate the integral.
A. 
sin9x + 
sin 2x + C
B. 
sin 7x + 
sin 11x + C
C. 
cos 7x + 
cos 11x + C
D. 
sin 7x - 
sin 11x + C
Answer: B
Mathematics
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A. - 
B. x3/2y17/8
C. 
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Find the average value of the given function
?
f(x, y)
?
over the plane region R.
?
; R is the triangle with vertices (0, 0), (2, 0) and (2, 2).
?
A. 
B. 
C. 
D. 
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