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1. (4 marks) Find the domain of f (x) = 2x and find the intervals on which the function is increasing or decreasing. 2. (4

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1. (4 marks) Find the domain of f (x) = 2x and find the intervals on which the function is increasing or decreasing. 2. (4 marks) For f(x) = find the local maximum and minimum. x+1 3. (4 marks) Find the absolute maximum and minimum of the function f(x) = on 1 + 22 the closed interval [-1, 2]. 4. (10 marks) Sketch the graph of the curve f(x) = x2 +1

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