For the curve given by x=t^2+t-2,y=t^3-2t-1, find the slope and concavity at the point (4 , 3).
In order to find the slope at point we need the value of t (the parameter) which is missing in the question. Please verify the question.
Given a curve
Now differentiate x and y with respect to t, we get the following result.
For concavity, again, different...
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