1.

Find dy and dx da-2 at the given point without eliminating the parameter. Edit T= 2 + 73, y = t; t = 5 NOTE: Enter the exact answers, using improper fractions if necessary. dy 124 da t=5 25 0 dx2It=5 X(13; (23; Find and for the parametric curve :15 - $32, y - 3t3 (13: 033:2 NOTE: Enter the exact answers. :_v (1: _x 0'. Tax 1 1 Given LII" + my 6:1: = 4: d (a) Find dy by differentiating implicitly. Do not substitute for y. :1: d_y _ 3 3:2 y + 6 dd: :1: . . dy (b) Solve the equation for y as a. functlon of 11:, and find 0! from that as equation. 3 y = 4 :1: + 6 :5 CC :J d3: (c) Conrm that the two results are consistent by expressing the derivative in part (a) as a function of :1: alone. d3: