# algebra

suppose a ball is thrown upward from a height of 4.5 feet with an initial velocity of 21 feet per second. write an equation relating the time t and height h of the ball

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1. h = 21t + 4.5

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2. h(t) = 4.5 + 21t - 16t^2

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posted by Steve

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4. thanks steve

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posted by sam

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