Mathematics, 21.04.2021 23:10, VamPL

Solving a word problem using a quadratic equation with irrational roots. A ball is thrown from an initial height of 7 feet with an initial upward velocity of 21/fts. The ball's height h (in feet) after t seconds is given by the following. h=7+21t-16t²

Find all values of t for which the ball's height is 13 feet.

Round all answer(s) to the nearest hundreth

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Solving a word problem using a quadratic equation with irrational roots. A ball is thrown from an...