Question: Question 5 (Unit D4) - 26 marks (a) Determine whether each of the following functions is continuous at 1. Name any results or rules that


Question 5 (Unit D4) - 26 marks (a) Determine whether each of the following functions is continuous at 1. Name any results or rules that you use. You may use the basic continuous functions listed in Theorem D51 from Unit D4. (i) f(x) = 3x4 - 2r'+x, 251, x3 + 6x - 5, [6] 1. 1 (ii) f(x) = ( - 1)* cos c-1 [7] C=1. COS a
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