Find the expected payoff.Let M be the matrix game having payoff matrix 
.Find E(x, y) when x = 
and y = 
A. - 
B. - 
C. - 
D. - 
Answer: D
Mathematics
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Solve the problem.The cylindrical coordinates of a point are 
. Find the Cartesian coordinates.
A. (0, 1, -10)
B. (-1, 0, -10)
C. (0, -1, -10)
D. 
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = -2x
C. f-1(x) = 
D. f-1(x) = 2x
Mathematics
Translate to an equation and solve. When necessary, round to the nearest hundredth.What is 9% of $420?
A. $33.60 B. $378.00 C. $42.00 D. $37.80
Mathematics
Determine whether or not the function is one-to-one.
A. Yes B. No
Mathematics