Explain how the following may be regarded as graphs or digraphs: flight connections between given cities: memberships of some persons in some committees; relations between chapters of a book: a tennis tournament; a family tree.
Monday: 16 October 2017 Summary of class: Went over obj 11 Notes: Wednesday: 18 October 2017 Summary of class: Went over obj 12 Notes: Friday: 20 October 2017 Summary of class: Went over obj 13 Notes: Monday: 16 October 2017 Summary of class: Went over obj 11 Notes: Wednesday: 18 October 2017 Summary of class: Went over obj 12 Notes: Friday: 20 October 2017 Summary of class: Went over obj 13 Notes: