Question

Rule - The number indicates how many edges must connect the vertex with its neighbours,
Click on the number which fulfills the rule.
2
1
5
1
3
5
4
1
5
7
5
4
2
2
1
4
​

Answer 1

Answer:

Step-by-step explanation:

Suppose that you are responsible for scheduling times for lectures in a university. You want

to make sure that any two lectures with a common student occur at different times to avoid a

conflict. We could put the various lectures on a chart and mark with an “X” any pair that has

students in common:

Lecture A C G H I L M P S

Astronomy X X X X

Chemistry X X

Greek X X X X X

History X X X X

Italian X X X

Latin X X X X X X

Music X X X X

Philosophy X X

Spanish X X X X

A more convenient representation of this information is a graph with one vertex for each lecture

and in which two vertices are joined if there is a conflict between them:

Answer 2

Answer:

f

Step-by-step explanation:

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