= NASA launches a rocket at t 0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t) -4.9t² +289t + 269. Assuming that the rocket will splash down into the ocean, at what time does splashdown occur? - The rocket splashes down after seconds. How high above sea-level does the rocket get at its peak? The rocket peaks at Question Help: Video 1 Video 2 meters above sea-level.

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