For each of the following characteristics draw a graph or ex

For each of the following characteristics, draw a graph or explain why such a graph does not exist:

a. simple graph with seven nodes, each of degree 3

b. four nodes, two of degree 2 and two of degree 3

c. three nodes of degree 0, 1, and 3, respectively

d. complete graph with 4 nodes each of degree 2

Solution