Find the potential function f for the field F.F = 
i - 2j - 
k
A. f(x, y, z) = 
- 2y + C
B. f(x, y, z) = 
+ C
C. f(x, y, z) = 
- 2 + C
D. f(x, y, z) = 
- 2y + C
Answer: D
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Solve the problem.An election is held among six candidates (A, B, C, D, E and F). There are 57 voters. Using the method of pairwise comparisons, A, B, and C win 2 pairwise comparisons each. D wins 4 pairwise comparisons, E wins no pairwise comparisons, and F wins all the rest. In this election
A. There is no Condorcet candidate. B. F is a Condorcet candidate. C. D is a Condorcet candidate. D. Cannot be determined from the information given. E. none of these
Evaluate the sum. Round to the nearest hundredth if necessary.
A. 9 B. 7 C. 5 D. 14
Determine the value of the trigonometric function of s using the given information.sin s = 
, cos s = 
Find sec s.
A. - 
B. 
C. 
D. - 
Solve the problem.A vendor has learned that, by pricing pretzels at $1.50, sales will reach 79 pretzels per day. Raising the price to $2.50 will cause the sales to fall to 27 pretzels per day. Let y be the number of pretzels the vendor sells at x dollars each. Write a linear equation that models the number of pretzels sold per day when the price is x dollars each.
A. y = -52x - 157
B. y = - 
x + 
C. y = -52x + 157
D. y = 52x + 1