Find dy/dx and d²y/dx2, and find the slope and concavity (if possible) at the given value of the parameter. (If an answer does not exist, enter DNE.) 5/5 5/3 slope = = Parametric Equations x = 4t, y = 5t - 5 514 0 concavity: 2014 5 X neither Point t = 2

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