A is a 3 × 4 real matrix and Ax = b is an inconsistent system of equations. The highest possible rank of A is

A is a 3 × 4 real matrix and Ax = b is an inconsistent system of equa

1.	A is a 3 × 4 real matrix and Ax = b is an inconsistent system of equations. The highest possible rank of A is
A.	1
B.	2
C.	3
D.	4
Answer» C. 3