Mathematics, 16.12.2021 03:10, madisonnnn68
A gust of wind forces a rock to fall off a cliff that's 20 feet high. This is represented by the function h(t) = –16t2 + 20, where t represents the time measured in seconds, and h represents height above the ground. Approximate how many seconds it takes for the rock to hit the ground, to two decimal places.
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A gust of wind forces a rock to fall off a cliff that's 20 feet high. This is represented by the fun...
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