Test for relative maximum and minimum.
?
?
A. relative minimum at 
and saddle point at 
B. relative maximum at 
and saddle point at 
C. relative minimum at 
D. relative maximum at 
E. saddle points at 
and 
Answer: E
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Find the flux of the vector field F across the surface S in the indicated direction.F = 5xi + 5yj + 8k; S is "nose" of the paraboloid z = 7x2 + 7y2 cut by the plane z = 2; direction is outward
A. - 
?
B. 
C. 
?
D. 
?
Solve the problem.In a survey of 1000 Americans, 850 said that they own a cell phone. Assume that the survey was properly conducted and that the 1000 people surveyed represent an unbiased sample of the entire population. Compute a 99.7% confidence interval (expressed using percents) for this survey.
A. 84.08% to 85.02% B. 84.8% to 85.2% C. 83.9% to 86.1% D. 82.8% to 87.2% E. 81.7% to 88.3%
Express as a sum of logarithms.log8 (13 ? 9)
A. log 13 + log 9 + log 8 B. log (13 + 9 + 8) C. log4 13 + log4 9 D. log8 13 + log8 9
Convert the fraction to a decimal.
A. 
B. 
C. 
D. 