The number of passengers on a certain bus at any given time is given by the equation$P = –2{( S – 4)}^{ 2} + 32$, where P is the number of passengers and S is the number of stops the bus has made since beginning its route. If the bus begins its route with no passengers, what is the value of S when the bus has its greatest number of passengers?
• A9
• B6
• C4
• D2
• E1

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• 所属科目:数学PS
• 题目来源1:Manhattan-15
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• 难度: 中等