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Mathematics, 09.10.2019 09:00 emmacox069

Stephanie is a very good soccer player. she can kick a soccer ball with an initial velocity of
21.3 m/sec. the function that represents the height of the ball with respect to time is ℎ (x) =
−4.9x^2 + 21.3x. about how many seconds will it take for the ball to hit the ground?

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