Question: QUESTION 4 (14 MARKS) a) Given the TABLE I for function y f(x): TABLE I Interval f' (x) f(x) Concavity x1 + From Table I:

QUESTION 4 (14 MARKS) a) Given the TABLE I for function y f(x): TABLE I Interval f' (x) f"(x) Concavity x1 + From Table I: Fill in the column concavity. (2 marks) ii. Determine points of inflection/critical for x-value if exists. (3 marks) Is this function having a local maximum/minimum? Justify. (2 marks) b) A wire 25 feet long has to be formed into a rectangle. Draw the diagram and state the notation. (2 marks) ii. Find the dimension that give rectangle have a maximum area

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