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August 30, 2014

Homework Help: Calculus-derivatives

Posted by Jake on Wednesday, February 15, 2012 at 5:37pm.

Explain how to do these questions~

1. An object moves in a straight line with its position at time t seconds given by s(t) = 3-2t+t^2, where s is the measured in metres. At what time is the object not moving?

2. Determine the coordinates of the point(s) on the graph of y=3x- 1/x at which the slope of the tangent is 7.

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