【GMAT考满分数学PS题库】The number of passengers on a certain bus at any g_真题_答案

Manhattan - 数学PS - 15

题目内容

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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正确答案: C

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