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Let f (x) = 4x-2 a) Show that f is one-to-one. (4 marks) b) Find the inverse function f- (4 marks) c) Find the domain

Let f (x) = 4x-2 a) Show that f is one-to-one. (4 marks) b) Find the inverse function f- (4 marks) c) Find the domain of f- and write it in interval notation. (2 marks)

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