Solve the system using elimination.
A. 
B. 
C. 
D. 
Answer: C
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Evaluate the integral by using a substitution prior to integration by parts.
A. x 
2 - 2x 
+ C
B. x 
2 - x 
+ x + C
C. x 
2 + 2x 
- 2x + C
D. x 
2 - 2x 
+ 2x + C
Find all possible functions with the given derivative.y' = x3 - 5x
A. 
- 
+ C
B. 
+ 5x2 + C
C. 3x2 - 5 + C
D. 
- 
+ C
Solve the problem.The rate of water usage for a business, in gallons per hour, is given by 
where t is the number of hours since midnight. Find the average rate of water usage over the interval 
A. 2.63 gallons per hour B. 2.71 gallons per hour C. 2.62 gallons per hour D. 0.05 gallons per hour
Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest hundredth.S8 = - 100, a8 = -16
A. a1 = 103, d = -1 B. a1 = 103, d = -4 C. a1 = -9, d = -4 D. a1 = -9, d = -1