Solve.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. 676 cakes
B. 26 cakes
C. 52 cakes
D. 4056 cakes
Answer: B
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Find the product of the complex number and its conjugate.4 + 2i
A. 16 + 4i B. 12 C. 20 D. 16 - 4i
Solve the problem.A small toy company that only makes action figures is owned by its stockholders. The dividend per share of stock is a function of the number of action figures it sells and is defined by 
where x is the number of action figures sold. What is the dividend for each share of stock if 1350 action figures are sold?
A. $1.59 B. -$1.46 C. -$268.48 D. $1.46
Solve the problem.If 9 newborn babies are randomly selected, how many different gender sequences are possible?
A. 512 B. 81 C. 362,880 D. 18
Match the given function to its graph.1) y = 1 + sin x2) y = 1 + cos x3) y = -1 + sin x4) y = -1 + cos xAB
?
CD
?
A. 1A, 2D, 3C, 4B B. 1A, 2C, 3D, 4B C. 1B, 2D, 3C, 4A D. 1A, 2B, 3C, 4D