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Mathematics, 23.06.2019 00:30 kidlol

Alain throws a stone off a bridge into a river below. the stone's height (in meters above the water), xx seconds after alain threw it, is modeled by: h(x)=-5x^2+10x+15h(x)=? 5x 2 +10x+15 what is the height of the stone at the time it is thrown

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Alain throws a stone off a bridge into a river below. the stone's height (in meters above the water)...
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