jeffljr9465 jeffljr9465
  • 12-09-2022
  • Mathematics
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.When serving in tennis, a player tosses the tennis ball vertically in the air. The height h of the ball after t seconds is given by the quadratic function h(t) = -5 t²+7 t (the height is measured in meters from the point of the toss).

a. How high in the air does the ball go?

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