S(t) Is the Position of a Body Moving Along a Coordinate

question 28

Essay

s(t) is the position of a body moving along a coordinate line, where , and s(t) is measured in feet and t in seconds.
a.Determine the time(s) and the position(s) when the body is stationary.
b.When is the body moving in the positive direction? In the negative direction?
c.Sketch a schematic showing the position of the body at any time t.

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