Solve the Problem $x$ Pretzels Is Given by the Function $P ( x ) = - 0.002 x ^ { 2 } + 1.6 x - 350$

question 188

Multiple Choice

Solve the problem.
-The profit that the vendor makes per day by selling $x$ pretzels is given by the function $P ( x ) = - 0.002 x ^ { 2 } + 1.6 x - 350$ . Find the number of pretzels that must be sold to maximize profit.

• A) \(0.8\) pretzels
• B) \(- 30\) pretzels
• C) 800 pretzels
• D) 400 pretzels

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