Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
- 10x + 75 ln
+ 
+ C
B. 75 ln
+ 
- 
+ C
C. 
- 10x + 15 ln
- 
+ C
D. 
- 10x - 75 ln
+ 
+ C
Answer: A
Mathematics
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Solve the problem.Find the point on the curve x = 4 sin t, y = cos t, - 
? t ? 
, closest to the point 
. (Hint: Minimize the square of the distance as a function of t.)
A. (4, 0)
B. 
C. 
D. (-4, 0)
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Evaluate the expression without using a calculator.log42
A. 4
B. 1
C. 2
D. 
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Let f(x) = 8x2 - 5x and g(x) = 7x + 9. Find the composite.f[g(k)]
A. 56k2 + 35k + 9 B. 392k2 - 973k + 603 C. 56k2 - 35k + 9 D. 392k2 + 973k + 603
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Classify the triangle as acute, obtuse, or right.
A. acute B. obtuse C. right
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