The K-map for a Boolean function is shown in figure. The number of essential prime implicants for this function is

The K-map for a Boolean function is shown in figure. The number of ess

1.	The K-map for a Boolean function is shown in figure. The number of essential prime implicants for this function is
A.	4
B.	5
C.	6
D.	8
Answer» B. 5