Evaluate the integral by making a substitution and then using a table of integrals.
A. ln 
+ x - 4 ln 
+ C
B. ln 
- 4 ln 
+ C
C. - 4 ln 
+ C
D. ln 
- 4 ln 
+ C
Answer: B
Mathematics
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A. 46.2 B. 4988.2 C. 5921.0 D. 13.66
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Write the reciprocal of the number.4
A. -4
B. does not exist
C. - 
D. 
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Solve the problem.The logistic growth model 
represents the population of a bacterium in a culture tube after t hours. When will the amount of bacteria be 740?
A. 7.4 hr B. 1.8 hr C. 5.58 hr D. 11.18 hr
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Use Cramer's rule to solve the system.-5x + 3y - z = 3 x + 7y + 4z = 45 -5x + y + z = -3
A. {(3, 3, 2)} B. {(2, 5, 2)} C. {(5, 2, 5)} D. {(2, -5, -2)}
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