Rewrite the logarithm as a ratio of natural logarithms.
?
log3.1 x
?
A. 
B. 
C. 
D. 
E. None of these
Answer: D
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Use the substitution formula to evaluate the integral.
A. - 
B. - 
C. - 
D. 
Solve the problem. Round to tenths where necessary.Supertankers off-load oil at a docking facility shore point 5 mi offshore. The nearest refinery is 
east of the docking facility. A pipeline must be constructed connecting the docking facility with the refinery. The pipeline costs $300,000 per mile if constructed underwater and $200,000 per mile if over land.
Locate point B to minimize the cost of construction.
A. Point B is 6.91 miles from Point A. B. Point B is 3.27 miles from Point A. C. Point B is 4.47 miles from Point A. D. Point B is 4.28 miles from Point A.
Determine whether the polynomial function is cubic or quartic.
A. Cubic B. Quartic
Solve the problem.A football player lost 3 yards on each of a number of plays. His total yardage lost was 36 yards. How many plays were involved?
A. 12 B. 14 C. 11 D. 13