What term best describes this graph? 3 Select one: a. Directed Graph O b. Undirected Graph O C. Tree O d. Directed Acyclic Graph 160 120 100 In a linear programming problem, what does this point represent SO 60 40 20 10 20 30 40 SO Select one: O a. The optimal solution O b. An infeasible solution O C. An Alternate vertex O d. None of these answers What is the big-o complexity of the red line? Big O Notation 400 300 Operations 200 100 0 0 10 20 30 Elements Select one: O a. O(n) O b. O(log n) 0 C. One) O d. O(1)