Question: An object moves along the x - axis with its position at each time t 0 being given by the function f ( t )

An object moves along the

x -

axis with its position at each time

t 0

being given by the function

f (t) = 2 t^{3} - 21 t^{2} + 60 t + 3

where position is measured in feet and time is measured in seconds. Use the velocity and acceleration functions to determine the intervals on which the object is speeding up and the intervals on which the object is slowing down.

(6

points

)

An object moves along the x - axis with its

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