Mathematics, 28.10.2020 19:20 kobiemajak

A toy cannon ball is launched from a cannon on top of a platform. The equation h(t) = –5t2 + 20t + 4 gives the height h, in meters, of the ball t seconds after it is launched. What equation can be used to tell whether the ball reaches a height of 12 m?

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A toy cannon ball is launched from a cannon on top of a platform. The equation h(t) = –5t2 + 20t + 4...

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