Evaluate the integral.
A. 
x + 
sin 4x + 
sin 8x + C
B. 
x + 
sin 4x + 
sin 8x + C
C. 
x + 
sin 2x + 
sin 4x + C
D. 
x + 
sin 2x + 
sin 8x + C
Answer: A
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Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be 
of an acre. How many lots will the land developer have in the 8 acres?
A. 
lot
B. 1
lots
C. 2
lot(s)
D. 28 lots
Find the quadratic approximation of f at x = 0.f(x) = tan-1 4x
A. Q(x) = 4x B. Q(x) = 1 + 4x2 C. Q(x) 1 + 2x2 D. Q(x) = 1 - 4x2
Evaluate the integral.
A. (1/2)x2e2x - xe2x + (1/4)e2x + C B. (1/2)x2e2x - (1/4)xe2x + (1/4)e2x + C C. (1/2)x2e2x - (1/2)xe2x + C D. (1/2)x2e2x - (1/2)xe2x + (1/4)e2x + C
Use the formula 
to find the average rate of change of the function f(x) on the interval [a, b].f(x) = 7x, [0, 2]
A. 28 B. 24 C. 25 D. 21