Question: Let G = (V, E) be a connected undirected graph. (a) What is the largest possible value for |V| if |E| = 19 and deg(v)

Let G = (V, E) be a connected undirected graph.
(a) What is the largest possible value for |V| if |E| = 19 and deg(v) > 4 for all v ∈ V?
(b) Draw a graph to demonstrate each possible case in part (a).

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