Perform the indicated operation. Assume that all variables are nonnegative.
+ 6
- 9
A. 68
B. 2
C. -2
D. -72
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Solve the inequality.4k3 - 4k2 ? 3k
A. 
or 
B. 
or 
C. 
or 
D. 
or 
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Solve the problem.Satterfield Pavement's marginal cost, in dollars, of paving a road with asphalt is given by C'(x) = 
x2 - 25x + 2200, for x ? 20,where x is measured in hundreds of feet. Use 4 subintervals over 
and the left endpoint of each subinterval to approximate the total cost of paving 1000 feet of road.
A. $23,019.53 B. $21,144.53 C. $8457.81 D. $21,076.56
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Solve the problem.The product of two consecutive integers is 89 more than their sum. Find the integers.
A. 10, 11 B. -9, -8 C. 9, 10 or -9, -8 D. 10, 11 or -9, -8
Mathematics