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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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = 3xx2
A. 3xx2 + 1(2 ln 3x ) B. x(2 ln 3x +1) C. xx2 + 1 ln 3x D. 3xx2 + 1(2 ln 3x + 1)
Mathematics
Predict the general, or nth term, an, of the sequence.1 ? 4, 2 ? 5, 3 ? 6, 4 ? 7, 5 ? 8 . . .
A. n(n + 3) B. n(n + 4) C. n(n - 3) D. n + 3n
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.2x2 - x + 8 = 0
A. no real solution
B. 
C. 
D. 
Mathematics
Perform the indicated operation, where possible.
- 
A. 
B. 
C. 
D. 
Mathematics