Question: Question 5. [20 marks] Sketch the graph of the function f(x) = 2x + 1. Use the 6 - 6 definition to prove that the
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Question 5. [20 marks] Sketch the graph of the function f(x) = 2x + 1. Use the 6 - 6 definition to prove that the function f(r) = =r + 1 is continuous at I = 0
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