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If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 ft per second, then its height [tex]h[/tex] after [tex]t[/tex] seconds is given by the equation [tex]h(t) = -16t^2 + 128t[/tex]. What is the height after 60 seconds?

Answer :

Answer:

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Step-by-step explanation:

t=60 is outside the domain of the function, which is t ∈ [0, 8].

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If you take the function and the time at face value, ...

... h(60) = -49920 . . . feet, more than 9.4 miles below ground level*

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*The deepest hole ever drilled into the Earth is 40,230 feet deep, so this is almost 2 miles deeper.

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Rewritten by : Barada

Answer:

C) 8 seconds

Step-by-step explanation: