Mathematics, 03.02.2020 05:52, kitttimothy55

Aprofessor uses a video camera to record the motion of an object falling from a height of 250 meters. the function f(x) = –5x2 + 250 can be used to represent the approximate height of the object off the ground after x seconds. which is the best estimate for the amount of time elapsed when the object is 120 meters off the ground?

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Aprofessor uses a video camera to record the motion of an object falling from a height of 250 meters...