Question: Question 6 (4+ 2+ 1 = 7 marks) Given the function 23 f (2) = 3 + 22 - 8x -5 (a) Find the stationary

Question 6 (4+ 2+ 1 = 7 marks) Given the function 23 f (2) = 3 + 22 - 8x -5 (a) Find the stationary points and determine their nature. (b) Find the point of inflection, and show that concavity changes at this point. (c) Hence, sketch the graph of y = f(x). Question 7 (6 marks) Use implicit differentiation to find dy da , given the curve logy +xy' - 2xy + 4x = 0

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