V8 5 V7 Answer each of the following questions about the graph G shown below. V1 V6 V2 B. U2 C. U3 D. U4 E. U5 F. U6 G. U7 H. U8 OI. None of the above V5 V3 V4 1. Let S = {4}. Which of the following vertices are in N(S)? Ο A. U1

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