3. A water balloon is thrown into the air from the top of a building. The height, h(t), in metres, of the balloon after t seconds is modelled by the function h(t) = -5t + 10t + 40. a) Determine the domain of h(t) in the context of this situation. b) Determine the range of h(t) in the context of this situation.

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A: Please see the below picture for detailed solution.

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