Which are walks in the graph? If not, why not? (a) F→ DC (b) ABG (c) DE F→C (d) D→ B→ F→D →B (e) CB (f) GF→G F ---- -----/ B A D OA. Yes, it is a walk. OB. No, it is not a walk. It does not begin and end at the same vertex. OC. No, it is not a walk. The edge joining vertices is used more than once. (Use a comma to separate answers as needed.) OC. No, it is not a walk. There is no edge joining vertices (Use a comma to separate answers as needed.) OD. No, it is not a walk. It does not begin and end at the same vertex. F OA. Yes, it is a walk. OB. No, it is not a walk. The edge joining vertices is used more than once. (Use a comma to separate answers as needed.) E (e) Is C → B a walk? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. G ... OD. No, it is not a walk. There is no edge joining vertices (Use a comma to separate answers as needed.) (f) Is G→F→G → F a walk? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Which are walks in the graph? If not, why not?
(a) F→ DC
(b) ABG
(c) DE
F→C
(d) DB→ F→D⇒B
(e) C → B
(f) G-F→G F
-----/
B
A
D
OA. Yes, it is a walk.
OB. No, it is not a walk. It does not begin and end at the same vertex.
OC. No, it is not a walk. The edge joining vertices is used more than once.
(Use a comma to separate answers as needed.)
OC. No, it is not a walk. There is no edge joining vertices
(Use a comma to separate answers as needed.)
OD. No, it is not a walk. It does not begin and end at the same vertex.
F
OA. Yes, it is a walk.
OB. No, it is not a walk. The edge joining vertices is used more than once.
(Use a comma to separate answers as needed.)
E
(e) Is C → B a walk? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
G
...
OD. No, it is not a walk. There is no edge joining vertices
(Use a comma to separate answers as needed.)
(f) Is G→F→G → F a walk? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
Transcribed Image Text:Which are walks in the graph? If not, why not? (a) F→ DC (b) ABG (c) DE F→C (d) DB→ F→D⇒B (e) C → B (f) G-F→G F -----/ B A D OA. Yes, it is a walk. OB. No, it is not a walk. It does not begin and end at the same vertex. OC. No, it is not a walk. The edge joining vertices is used more than once. (Use a comma to separate answers as needed.) OC. No, it is not a walk. There is no edge joining vertices (Use a comma to separate answers as needed.) OD. No, it is not a walk. It does not begin and end at the same vertex. F OA. Yes, it is a walk. OB. No, it is not a walk. The edge joining vertices is used more than once. (Use a comma to separate answers as needed.) E (e) Is C → B a walk? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. G ... OD. No, it is not a walk. There is no edge joining vertices (Use a comma to separate answers as needed.) (f) Is G→F→G → F a walk? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
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