## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 14 - Graph Theory - 14.4 Trees - Exercise Set 14.4: 46

#### Answer

A subgraph is a graph with vertices and edges which are chosen from the set of vertices and edges in the original graph.

#### Work Step by Step

A graph has vertices and edges. A subgraph is a graph with vertices and edges which are chosen from the set of vertices and edges in the original graph. Note that a graph is a subgraph of itself.

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