uiz 2 1.(4pts) Find the point on the curve where the plane perpendicular to the curve is parallel to the plane 6x + 6y - 8z =17. Work: Answer: 2.(4pts) Consider the curve from t = 0 to t = 2. Also find the curvature. Work: Answers: . Find the length of the curve 3.(4pts) Suppose an object moves so that its acceleration is given by with . Find for the object. Work: Answers: 4.(4pts) Let f (x, y) ln(2 x y) . On a x-y coordinate graph sketch the domain of this function. Also sketch, on the same graph as above, the level curves for this function for the function values: -1, 0, 1 and 2. Work: Answer: 3xy2 lim 2 5.(4pts) Explain why ( x, y)(0,0) 4 doesn't exist. Hint! For one path consider x y x y2 . Work