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7 August, 08:56

Amir stands on a balcony and throws a ball to his dog, who is at ground level.

The ball's height (in meters above the ground), 3 seconds after Amir threw it, is modeled by

h (x) = - (x + 1) (x - 7)

How many seconds after being thrown will the ball reach its maximum height?

seconds

+1
Answers (1)
  1. 7 August, 11:06
    0
    Answer: At 3 seconds the ball will reach its maximum height of 16 meters

    Step-by-step explanation: - (3 + 1) (3-7) = (-3 - 1) (3-7) = (-4) (-4) = 16 so 16 meters
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