Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 14 - Graph Theory - Chapter Summary, Review, and Test - Review Exercises: 4

Answer

The vertices which are adjacent to vertex D are vertex B, vertex C, and vertex E.

Work Step by Step

If there is at least one edge connecting two vertices in a graph, the vertices are adjacent to each other. There is an edge connecting vertex B and vertex D, so vertex B is adjacent to vertex D. There is an edge connecting vertex C and vertex D, so vertex C is adjacent to vertex D. There is an edge connecting vertex E and vertex D, so vertex E is adjacent to vertex D.
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