Mathematics, 03.11.2019 13:31 mikeylaaliz9960

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) = − 4.9 x^2 + 21.3 x . about how many seconds will it take for the ball to hit the ground?

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