The position of a particle moving in a straight line is given by  s = t3 − t2  feet after t seconds. Find an expression for its acceleration a after a time t. a(t) =         ft/s2 Is its velocity increasing or decreasing when t = 2?

Trigonometry (MindTap Course List)
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ISBN:9781337278461
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Chapter6: Topics In Analytic Geometry
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The position of a particle moving in a straight line is given by 
s = t3 − t2
 feet after t seconds. Find an expression for its acceleration a after a time t.
a(t) = 
 
 
 
 ft/s2
Is its velocity increasing or decreasing when t = 2?
increasingdecreasing    
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