Refer to the undirected graph provided below: H D. Figure 6: An undirected graph has 9 vertices. 6 vertices form a hezagon, which is tilted upward to the right. Starting from the leftmost vertez, moving clockuise, the vertices forming the hezagon shape are: D, A, B, E, I, and F. Vertez H is above and to the right of vertez B. Vertez G is the rightmost vertez, below vertez H and above vertez E. Vertez C is the bottommost vertez, a little to the right of vertez E. Undirected edges, line segments, are between the following vertices: A and D; A and B; B and F; B and H; H and G; G and E; B and E; A and E; E and I; I and C; I and F; and F and D. (1) What is the maximum length of a path in the graph? Give an example of a path of that length. (i) What is the maximum length of a cycle in the graph? Give an example of a cycle of that length. (iii) Give an example of an open walk of length five in the graph that is a trail but not a path. (iv) Give an example of a closed walk of length four in the graph that is not a circuit. B.

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(v) Give an example of a circuit of length zero in the graph.
Transcribed Image Text:(v) Give an example of a circuit of length zero in the graph.
PROBLEM 2
Refer to the undirected graph provided below:
B
F
Figure 6: An undirected graph has 9 vertices. 6 vertices form a hezagon, which is
tilted upward to the right. Starting from the leftmost verte, moving clockwise, the
vertices forming the hezagon shape are: D, A, B, E, I, and F. Vertez H is above
and to the right of verter B. Vertez G is the rightmost verter, below verter H and
above vertez E. Verter C is the bottommost vertez, a little to the right of verter
E. Undirected edges, line segments, are between the following vertices: A and D; A
and B; B and F; B and H; H and G; G and E; B and E; A and E; E and I; I and
C; I and F; and F and D.
(i) What is the maximum length of a path in the graph? Give an example of
a path of that length.
(ii) What is the maximum length of a cycle in the graph? Give an example of
a cycle of that length.
(iii) Give an example of an open walk of length five in the graph that is a trail
but not a path.
(iv) Give an example of a closed walk of length four in the graph that is not a
circuit.
D.
Transcribed Image Text:PROBLEM 2 Refer to the undirected graph provided below: B F Figure 6: An undirected graph has 9 vertices. 6 vertices form a hezagon, which is tilted upward to the right. Starting from the leftmost verte, moving clockwise, the vertices forming the hezagon shape are: D, A, B, E, I, and F. Vertez H is above and to the right of verter B. Vertez G is the rightmost verter, below verter H and above vertez E. Verter C is the bottommost vertez, a little to the right of verter E. Undirected edges, line segments, are between the following vertices: A and D; A and B; B and F; B and H; H and G; G and E; B and E; A and E; E and I; I and C; I and F; and F and D. (i) What is the maximum length of a path in the graph? Give an example of a path of that length. (ii) What is the maximum length of a cycle in the graph? Give an example of a cycle of that length. (iii) Give an example of an open walk of length five in the graph that is a trail but not a path. (iv) Give an example of a closed walk of length four in the graph that is not a circuit. D.
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