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Problem 9 In terms of 5', 3, 3, and 6, nd a vector mien for each of the following: a. 51' 0:4) Problem 10 (A: 5) Parametric equation is important when describing lines and curves. The following equation shows a path that an object travels: x (1) = 2cost-1 y(1) = 2sint + 2 Find dy _y'(1) dx x'(1 ) Problem 11 (A: 5) Using logarithmic differentiation Given y = (x 4 1) Vx + 2 a (2r + 2r + 1). determine _ at atx = -1