Solve the problem.If v = 3i - 5j  and w = -7i + 4j, find 3v - 4w.

A. 37i - 31j
B. -19i + j
C. 17i - 10j
D. -4i - j


Answer: A

Mathematics

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A. = 
B. = 
C. = 
D. = 

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Solve the problem.R chooses one, two, or three. C chooses one, two, or three. If the sum of the numbers is odd, R receives the amount equal to the sum. If the numbers match, C receives $3. Otherwise, C receives $1.(a) Give the payoff matrix.(b) Suppose R chooses one 30% of the time, two 40% of the time, and three 30% of the time, and C chooses one 40% of the time, two 20% of the time, and three 40% of the time. Calculate the expected value for this strategy.

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