Find the integral using tables of integrals. 
A. - 
sin 4x cos2 4x + 
+ 
sin 8x + C
B. - 
sin 4x cos3 4x + 
+ 
sin 8x + C
C. - 
sin 4x cos3 4x + 
+ 
sin 8x + C
D. - 
sin 4x cos3 4x + 
+ 
cos 8x + C
Answer: B
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Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = +1.29,; local maximum at x = -1.29; concave up on (0, ?); concave down on (-?, 0) B. Local minimum at x = +1.29,; local maximum at x = -1.29; concave up on (-?, -1.29) and (1.29, ?); concave down on (-1.29, 1.29) C. Local minimum at x = -1.29,; local maximum at x = +1.29; concave up on (-?, -1.29) and (1.29, ?); concave down on (-1.29, 1.29) D. Local minimum at x = +1.29,; local maximum at x = -1.29; concave down on (0, ?); concave up on (-?, 0)
Multiply the monomials.x5 ? x6
A. x5 + x6 B. x11 C. x30 D. 2x11
Solve the problem.Al's Recycling Center pays local children $0.50 for each pound of aluminum cans they bring in. If Bobby brings in 11 pounds of cans, what are his gross earnings?
A. $5.50 B. $4.00 C. $7.00 D. $11.50
Solve and graph.5x - 2 ? -7 and 5x + 1 ? 21
A. [-1,4]
B. (-?, -1] ? [4, ?)
C. [4, ?)
D. [-1, ?)