,Let A =and define a transformation T : ..-阿摩線上測驗
,Let A = and define a transformation T : R2 → R3 by T(x) = Ax. Which
1-1
of the following statements is/are true?
(A) The image of x = under T is
.
(B) There is exactly one x whose image under T is .
(C)The vector b is in the range of T if b is the image of some x in R2.
(D) The vector b is in the range of T if the system Ax = b is inconsistent.
(E) The vector is not in the range of T.