Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75
B. $2.00
C. -$3.00
D. $3.00
Answer: A
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Find the Cartesian coordinates of the given point.
A. 
B. 
C. 
D. 
Find an equation of the tangent line at the indicated point on the graph of the function.y = f(x) = 
, (x, y) = (5, 31.25)
A. y = 
x - 
B. y = 
x - 
C. y = 
x + 
D. y = 
x + 
Find the slope of the line containing the given points. f(8) = 4 and f(17) = -6
A. - 
B. - 
C. 
D. - 
Find the maximum value of the objective function and where it occurs, subject to the indicated constraints. (You should graph the feasible solutions on the grid below before you attempt to find the minimum and maximum values.)
Objective function:z = 6x - 7y
Constraints:
A. maximum = 24 at (4, 0)
B. The maximum is unbounded.
C. maximum = 35 at (0, 5)
D. maximum = 12 at (2, 0)
E. There is no maximum. The feasable solution set is empty.