Question: Question 7: (9 points) Write a formal description of the following graph. A B E Question 8: (10 points) Show that every graph with two

 Question 7: (9 points) Write a formal description of the following

Question 7: (9 points) Write a formal description of the following graph. A B E Question 8: (10 points) Show that every graph with two or more nodes contains at least two nodes that have equal degrees. Notes: We do not allow an edge from a node to itself. The graph does not have to be connected (some nodes may not have any edges) Big Hint: Think of the pigeonhole principle, possibly taught in CISC 1100/1400. Feel free to look it up

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