A water balloon is catapulted into the air so that its height h in metres after t secc h 4 9t 27t 2 4 6 How high is the balloon

Question

A water balloon is catapulted into the air so that its height h in metres after t secc h 4 9t 27t 2 4 6 How high is the balloon after 1 second zoom in 7 8 For how long is the balloon more than 30 m high What is the maximum height of the balloon

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