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Question 1: 3 parts

Consider the following: X=t3712t, y=t271 2 (a) Find i and dy. dX dx2 i 2 dx dzy = dx1 (b) For which values of t is the curve concave upward? (Enter your answer using interval notation.) Need Help? 17. [-15.92 Points] SCALCET810.2.531.XP. 0/5 Submissions Used Consider the parametric equations below. x=t4t2, y=t3/2, 15:5 5 Set up an integral that represents the length of the curve. 5 j d. 1 Use your calculator to find the length correct to four decimal places. Z Need Help? \\I Consider the following. x= t+ |n(t), y = t |n(t) For which values of t is the curve concave upward? (Enter your answer using interval notation.) Need Help? 14- [45.88 Points] DETAILS saucers 10.2.522.XP. ors Submissions Used Consider the parametric equations below. x:ln(t), y:\\/t+1, 3St$7 Set up an integral that represents the length of the curve. 7 f as 3 Use your calculator to find the length correct to four decimal places. Z Need Help? '15. [-15.88 Points] SCALCETS 10.2.527.XP. 0/5 Submissions Used Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter. X = cos(6') + sin(26), y = sin(5) + cos{28); 9 = 0 y: Need Help