algebra hard

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Questions

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A model rocket is launched off the top of a table. The height of the rocket is given by the function, h(t) = - 4.9t2 + 9.5t + 1.2 where h(t) is the height in metres and t is the time in seconds. How long will it take for the rocket to reach the ground?
10 years ago

Answers

The following answers were posted by visitors named algebra hard.