Question: For a graph, suppose (A,B) denotes a directed edge from vertex A to vertex B. Suppose a graph consists of the edges: (A,A), (A,B), (B,A),

For a graph, suppose (A,B) denotes a directed edge from vertex A to vertex B. Suppose a graph consists of the edges: (A,A), (A,B), (B,A), (B,C), (C,B), (B,D), (D,B), (C,D), and (D,C). The indegree of a vertex is the number of edges for which it is a destination. What is the indegree of vertex A? Question 9 Answer a. 1 b. 0 c. 2 d. 3 e. 4

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