Mathematics, 06.12.2019 05:31 kamryn69

Hi!a woman drops a front door key to her husband from their apartment window several stories above the ground. the function h=-16t^2 +64 gives the height h of the key in feet, t seconds after she releases it.
a/ how long does it take the key to reach the ground?
b/ what are the reasonable domain and range for the function h?

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Hi!a woman drops a front door key to her husband from their apartment window several stories above t...