Use integration by parts to find the integral.
A. 
x2e2x - 
xe2x + 
e2x + C
B. 
x2e2x - 
xe2x + C
C. 
x2e2x - xe2x + 
e2x + C
D. 
x2e2x - 
xe2x + 
e2x + C
Answer: D
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Assume that the expressions given are the denominators of fractions. Find the least common denominator. 50x5y , 90x4y3 , 45x2y4
A. 450x5y4 B. 90x5y C. 225x20y12 D. 150x5y4
Use the laws of logarithms to simplify the expression.
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A. 
B. 
C. 
D. 
E. 
Write a formula for the nth term of the indicated sequence. Write out the first five terms of the sequence.arithmetic: a = 12, d = 5
A. an = 5n + 12; 12, 17, 22, 27, 32 B. an = 5n + 7; 12,17, 22, 27, 32 C. an = 5n + 12; 17, 22, 27, 32, 37 D. an = 12n + 7; 17, 22, 27, 32, 37
Solve the problem.Under certain conditions, the power P, in watts per hour, generated by a windmill with winds blowing v miles per hour is given by P(v) = 0.015v3. Find the power generated by 18-mph winds.
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