At what positive time does the particle pass through origin

Reference no: EM13284285

The position function x(t) of a particle moving along an x axis is x = 4.0 - 4.5t2, with x in meters and t in seconds.

1) At what negative time does the particle pass through the origin?

2) At what positive time does the particle pass through the origin?

Reference no: EM13284285

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