A game has payoff matrix 
. Player C plays column one 10% of the time, and player R plays row one 20% of the time. What is the expected value of the game?
A. -2.9
B. 0.8
C. 0.74
D. -2.7
E. none of these
Answer: D
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Solve the problem.Evaluate the integral 
given that x = 4t and y = (2 + t2) .
A. - 
B. - 
C. 
D. - 
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = ex+y
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines x + y = c B. Domain: all points in the xy-plane; range: real numbers z > 0; level curves: lines x + y = c C. Domain: all points in the first quadrant of the xy-plane; range: all real numbers; level curves: lines x + y = c D. Domain: all points in the first quadrant of the xy-plane; range: real numbers z > 0; level curves: lines x + y = c
Round the number to the nearest thousandth, nearest hundredth, and nearest tenth. Remember to round from the original number.63.724
A. 63.72, 63.7, 63 B. 63.725, 63.73, 64 C. 63.73, 63.8, 64 D. 63.724, 63.72, 63.7
Graph the function.f(x) = x - 
A. 
B. 
C. 
D. 