Solve.The profit of a manufacturing company is determined by the number of units x manufactured each day according to the equation Profit = -25(x2 - 200x + 3100) . Find when the profit is greater than zero. Round your answer to the nearest tenth, if necessary.

A. x< 16.9 or x > 183.1
B. -14.5 < x < 214.5
C. -156.1 < x < 366.1
D. 16.9 < x < 183.1

Answer: D

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B. S₅ =
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