Mathematics, 12.05.2021 18:20, lele2010

Sandy throws a ball in the air in a parabolic path. the height H in meters of the ball above the ground after T seconds. this can be modeled with the function = -4t^2+40t+2. how high is his hand off the ground?
determine the time needed for the ball to reach its maximum height.
and what is the maximum height of the ball

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Sandy throws a ball in the air in a parabolic path. the height H in meters of the ball above the gro...