Solve the problem.The daily profit in dollars of a specialty cake shop is described by the function 
where x is the number of cakes prepared in one day. The maximum profit for the company occurs at the vertex of the parabola. How many cakes should be prepared per day in order to maximize profit?
A. 28 cakes
B. 56 cakes
C. 784 cakes
D. 2352 cakes
Answer: A
Mathematics
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Multiply.(
- s)(
+ s)
A. a - s
B. a - 2s
- s2
C. a - s2
D. a + 2s
- s2
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Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
Mathematics