Mathematics, 02.03.2021 01:30 rosyjesus297

A model rocket is launched directly upward at a speed of 28 meters per second from a height of 12 meters. The function f(t)= -4.9t+28t+12, models the relationship between the height of the rocket and the time after each launch, t, in seconds. When, in seconds after launch, will the rocket hit the ground?

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