GMAT Problem Solving

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Source: GWD

Level: 0

According to a certain estimate, the depth N(t), in centimeters, of the water in a certain tank at t hours past 2:00 in the morning is given by for 0 ≤ t ≤ 10. According to this estimate, at what time in the morning does the depth of the water in the tank reach its maximum?

  • A 0.229166667
  • B 0.291666667
  • C 0.3125
  • D 0.333333333
  • E 0.375

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