zorenyo12 zorenyo12
  • 23-11-2022
  • Mathematics
contestada

A ball is thrown from an initial height of 4 feet with an initial upward velocity of 36 ft/s. The ball's height h (in feet) after seconds is given by the following.
h=4+36t-16t^2
Find all values of t for which the ball's height is 20 feet.

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