Solve the problem."If choice X is a winner of an election and, in a reelection, the only changes in the ballots are changes that only favor X, then X should remain a winner of the election." This fairness criterion is called the

A. Condorcet criterion.
B. independence of irrelevant alternatives criterion.
C. monotonicity criterion.
D. majority criterion.
E. none of these


Answer: C

Mathematics

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Solve the problem.Let f(x) compute the time in hours to travel x miles at  per hour. What does  compute?

A. The miles traveled in x hours B. The hours taken to travel 48 miles C. The hours taken to travel x miles D. The miles traveled in 48 hours

Mathematics

Find the product.x(x2 + xy - y2)

A. x3 + x2y - xy2 B. x3 + xy - xy2 C. x2 + xy - xy2 D. x3 + xy - y2

Mathematics

Solve the system of equations by elimination.

A. x = 4, y = 0; (4, 0) B. x = 0, y = 4; (0, 4) C. x = -4, y = 0; (-4, 0) D. x = 0, y = -4; (0, -4)

Mathematics

Solve using the simplex method.Find x1 ? 0, x2 ? 0, x3 ? 0 such that  x1 + 3x2 + 2x3 ? 60  x1 + 2x2 + 3x3 ? 36and z = 4x1 + 3x2 + 2x3 is maximized.

A. x1 = 50, x2 = 5, x3 = 0, z = 215 B. x3 = 30, x1 = 0, x2 = 0, z = 60 C. x1 = 60, x2 = 0, x3 = 0, z = 240 D. x2 = 20, x1 = 0, x3 = 0, z = 60

Mathematics