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March 29, 2015

Homework Help: algebra

Posted by Brynn on Sunday, September 23, 2012 at 10:51pm.

The height above ground of a rock dropped from a bridge can be found using the formula h(t) = 9.8tsquared + 100, where t represents the number of seconds.
What is the height of the rock after 3 seconds?
How long will it take the rock to hit the bottom?

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