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Algebra - Function

If an object is propelled upward from ground level, its height in meters after t seconds is given by h=-9.8t^2+88.2t During what interval of time will the rocket be height than 176.4m.

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h = -9.8t^2 + 88.2t

We want h to be greater than 176.4 m

Therefore -9.8t^2 ...

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Neat, step-by-step solution is provided.