6. (03.02 HC) A graph is defined by the equation x2 -v2xy +3y2 = 23 dy Part A: Find dx (5 points) V2, 3). Part B: Find the equation of the tangent line and the normal line at the point (5 points) i U Font Family AAA V F WIN- YJ 7. (03.03 HC) No calculator is allowed for this question. A function h is dependent on x and is differentiable for all real numbers. Let g be the inverse of h. Part A: Use the derivative of inverse functions rule to write an expression for g' in terms of g, h. and x. (7 points) Part B: Use the table of values to nd g'(1). (3 points) x 1 2 3 h(x) 4 3 1 h '(x) 3 'l 4