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Mathematics, 06.10.2021 18:50 memeE15

A rocket is launched from ground level directly upward at a rate of 64 feet per second. The equation for the rocket's height is y=-16x^2 + 64x. When will the rocket be at or above a height of 48 feet?

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A rocket is launched from ground level directly upward at a rate of 64 feet per second. The equation...
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