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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Perform the indicated operation and simplify if possible.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the function.f(x) = ln 
A. (1, ?) B. (9, ?) C. (-9, ?) D. (0, ?)
Mathematics
Find the partial derivative.Find fx(5, -4) when f(x, y) = e5x - 7y. Leave your answer in terms of e.
A. e53 B. 5e-3 C. -7e53 D. 5e53
Mathematics
Find the derivative of y with respect to x.y = -cos-1 
A. 
B. 
C. 
D. - 
Mathematics