Mathematics, 10.12.2021 07:40, mshurney

A football is kicked into the air. Its height above the ground is approximated by the equation h=20t-5 $t^{2}$ , where h is the height in meters and t is the time in seconds since the football was kicked. a)what are the zeros of the relation? when does the football hit the ground?

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A football is kicked into the air. Its height above the ground is approximated by the equation h=20t...