Question: 36
(Choose 1 answer)
(See picture)
A. 3
B. 1
Let M be the incidence matrix of the given graph with the rows
indexed by V1, V2, V3, V4, and the columns indexed by e1, e2, e3,
e4, es. What is the sum of the entries in the fourth row of M?
V₁
e1
V2
C. 2
D. 0
22
e2
V4
ང་
ез
e4
e5
V3
