Answer
1. V(G) = {v1, v2, v3, v4}, E(G) = {e1, e2, e3}
Edge-endpoint function:
Edge Endpoints
e1 {v1, v2}
e2 {v1, v3}
e3 {v3}
Work Step by Step
1. V(G) = {v1, v2, v3, v4}, E(G) = {e1, e2, e3}
Edge-endpoint function:
Edge Endpoints
e1 {v1, v2}
e2 {v1, v3}
e3 {v3}