Kelani A.

asked • 02/23/16

Word Problem

NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, in terms of time is given by h(t)=−4.9t^2+106t+388. For each of these questions, report your answer to the nearest tenth.
How high is the rocket after 9 seconds?


How high was the rocket when it was initially launched?



When will the rocket reach its maximum height?



What will its maximum height be (above sea level)?



If the rocket is launched so that it lands in the ocean, when will it splash down?

1 Expert Answer

By:

Eric C. answered • 02/24/16

Engineer, Surfer Dude, Football Player, USC Alum, Math Aficionado

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