Mathematics, 30.07.2019 16:10, pennygillbert

Aball is launched into the air from below a cliff, such that after t seconds its height above the cliff top is hmetres, and is given by the equation
h = − 4.9t^2 + 19.6t − 12.6.
calculate, to the nearest metre, the maximum height the ball achieves above the cliff top.

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Aball is launched into the air from below a cliff, such that after t seconds its height above the cliff top is hmetres, and is given by the equation h = − 4.9t^2 + 19.6t − 12.6. calculate, to the nearest metre, the maximum height the ball achieves above the cliff top.

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Aball is launched into the air from below a cliff, such that after t seconds its height above the cliff top is hmetres, and is given by the equation
h = − 4.9t^2 + 19.6t − 12.6.
calculate, to the nearest metre, the maximum height the ball achieves above the cliff top.