Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9
B. 12
C. 10
D. 2
Answer: A
Mathematics
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Solve the problem.Find all points on the curve x2y + xy2 = -1024 where the tangent line is vertical, that is, where 
= 0.
A. (16, 0) B. (0, -8) C. (16, -8) D. (-16, 8)
Mathematics
Use graphical methods to solve the linear programming problem.x + 2y ? 103x + y ? 10x ? 0y ? 0Minimize P = 2x + 4y 
A. Minimum of 20 when x = 2 and y = 4, as well as when x = 10 and y = 0, and all points in between B. Minimum of 20 when x = 2 and y = 4 C. Minimum of 0 when x = 0 and y = 0 D. Minimum of 20 when x = 10 and y = 0
Mathematics
Find the product.(10a - 9)2
A. 100a2 + 81 B. 100a2 - 180a + 81 C. 10a2 + 81 D. 10a2 - 180a + 81
Mathematics
Match the function with one of the graphs.f(x) = - 
x
A. 
B. 
C. 
D. 
Mathematics