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Mathematics, 29.09.2019 02:20 jmdlightsout12345

The equation h(t) = -16t^2+70t+40 gives the height of a toy rocket, in feet, t seconds after it is launched from a platform.

what is the height of the platform?

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ft

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The equation h(t) = -16t^2+70t+40 gives the height of a toy rocket, in feet, t seconds after it is l...
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