题目
题型:单选题难度:一般来源:不详
1-x |
A.[0,1] | B.(0,1] | C.[0,∞) | D.(-∞,1] |
答案
B={x|y=
1-x |
∴A∩B={x|x≤1}=(-∞,1].
故选D.
核心考点
举一反三
A.-2 | B.0 | C.-1 | D.1 |
1 |
2 |
求:
(1)A∩B;
(2)(CUA)∩B;
(3)CU(A∪B).
A.{3,4,6} | B.{3,5} | C.{0,5} | D.{0,2,4} |
1-x |
A.[0,1] | B.(0,1] | C.[0,∞) | D.(-∞,1] |
1-x |
A.-2 | B.0 | C.-1 | D.1 |
1 |
2 |
A.{3,4,6} | B.{3,5} | C.{0,5} | D.{0,2,4} |