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OpenStudy (anonymous):
You drop a rock off a bridge. The rock's height, h (in feet above the water), after t seconds is modeled by h = – 16 t2 + 541. What is the height of the rock after 2 seconds?
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OpenStudy (anonymous):
t = 2 plug 2 in for t it's like solving any regular good ol' equation
OpenStudy (anonymous):
did you get the 2 from the 2 seconds??
OpenStudy (anonymous):
-16 (4) + 541 = 477feets
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