Determine when the parametric curve x = 31261+2 and y = 4t - is concave up....

   

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Determine when the parametric curve x = 31261+2 and y = 4t - is concave up. Find dx at x = 2, given the parametric curve x = et + 1 and y = In| 1 - 2t |- Given the parametric curve x = sin 2t and y = cos 2t, over the interval [0.), find the equation of the tangent line at t= Determine when the parametric curve x = 31261+2 and y = 4t - is concave up. Find dx at x = 2, given the parametric curve x = et + 1 and y = In| 1 - 2t |- Given the parametric curve x = sin 2t and y = cos 2t, over the interval [0.), find the equation of the tangent line at t=