Solve the problem.In trying to solve a certain Traveling Salesman Problem, you find a solution with a total length of 2500 miles. If the length of the optimal solution is 2000 miles, then the relative error of your solution is
A. 400%.
B. 125%.
C. 25%.
D. 20%.
E. none of these
Answer: C
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Solve the problem.Evaluate 
by writing the integrand as an integral.
A. 
ln 
B. 
ln 
C. 
ln 
D. ln 
Find the midpoint of the segment with the given endpoints.(1, -6) and (-8, -9)
A. 
B. 
C. 
D. 
Solve the problem. Suppose a student plans to drive from his home to New Haven 75 miles on a divided highway and 30 miles on an undivided highway. The speed limit is 70 mph on the divided highway and 50 mph on the undivided highway. Assume the driver drives nonstop. Let T(a) represent the driving time (in hours) if the student drives at a mph above the speed limits. By finding a formula for T(a), determine 
. What does your result mean in terms of the trip?
A. T(0) - T(10) = 0.23; the trip will take 0.23 hours more by driving at 10 mph over the speed limits than it would take driving at the speed limits. B. T(0) - T(10) = 0.37; the trip will take 0.37 hours less by driving at 10 mph over the speed limits than it would take driving at the speed limits. C. T(0) - T(10) = 0.37; the trip will take 0.37 hours more by driving at 10 mph over the speed limits than it would take driving at the speed limits. D. T(0) - T(10) = 0.23; the trip will take 0.23 hours less by driving at 10 mph over the speed limits than it would take driving at the speed limits.
Add or subtract. Assume all variables represent positive real numbers.6
+ 8
A. 14
B. 14
C. 6
+ 8
D. 48