Perform the indicated operations. Simplify the answer.
? 
A. 10i
B. -
C. 10
D. -
i
Answer: B
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Use natural logarithms to solve the exponential equation. If necessary, round to the nearest thousandth.4x = 20
A. 0.463 B. 5.000 C. 1.609 D. 2.161
Solve the problem.The force F (in lb) exerted by a robot programmed to staple carton sections together is given by 
where t is the time (in s). Find F as a function of t if 
for 
A. F = 
esin ?t + 
B. F = 5esin ?t + 
C. F = 
esin ?t - 
D. F = 5esin ?t - 
A traveling salesman's territory consists of the 5 cities shown on the following mileage chart. The salesman must organize a round trip that starts and ends at Louisville (his hometown) and will pass through each of the other four cities exactly once.Mileage Chart
The cheapest-link tour starting from Louisville is given by:
A. Louisville, Columbus, Chicago, Buffalo, Boston, Louisville. B. Louisville, Columbus, Buffalo, Boston, Chicago, Louisville. C. Louisville, Boston, Buffalo, Chicago, Columbus, Louisville. D. Louisville, Chicago, Buffalo, Boston, Columbus, Louisville. E. none of these
Write in radical form. Assume all variables represent positive real numbers.m8/3
A. 
3
B. 
C. 
D. 
8