Question: If an object is projected upward with an initial velocity of 128 128 ft persec, its height h after t seconds is h equals negative

If an object is projected upward with an initial velocity of 128

128 ft persec, its height h after t seconds is h equals negative 16 t squared plus 128 t

h=16t2+128t. Find the height of the object after 4

4 seconds.

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