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QUESTION 2 stodo Let f(n) = 2 (log n)2 + 5n2 log n+ Vn Please give all the details for the below statements (i.e. give the witnesses C and k). a. (5 points) Show that f(n) is not on b. (5 points) Show that f(n) is O(n). C. (5 points) Show that f(n) is (log n). d. (5 points) Show that f(n) is O(n2 logn)