If x is an integer, is 3x + 7 even?
(1) (x – 5)(x + 1) = 0
(2) x is a factor of 105.
-
AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
-
BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
-
CBOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
-
DEACH statement ALONE is sufficient.
-
EStatements (1) and (2) TOGETHER are NOT sufficient.
显示答案
正确答案: D