设置集合M={x丨-1≤x<2}。N={x丨x≤1},则集合M∩N=()
A: {x丨x > -1}
B: {x丨x > 1}
C: {x丨-1 ≤ x ≤ 1}
D: {x丨1 ≤ x ≤ 2}
A: {x丨x > -1}
B: {x丨x > 1}
C: {x丨-1 ≤ x ≤ 1}
D: {x丨1 ≤ x ≤ 2}
举一反三
- 设集合A={x丨-1<x<2},B={x丨1<x<3},则A∪B=______. A: {x丨-1<x<2} B: {x丨1<x<3} C: {x丨1<x<2} D: {x丨-1<x<3}
- M={x丨-2<x<-1},N={x丨x>1},M∪N等于多少?
- 集合A={x丨-1 A: {x丨-1<x<5} B: {x丨3<x<5} C: {x丨-1<x<1} D: {x丨1<x≤3}
- 设集合A={x丨-2<x<1或x>1},集合B={x丨x2+ax+b≤0},已知A∪B={x丨x>-2},A∩B={x丨1<x≤3},试求a,b的值.
- 【简答题】已知集合A={x丨丨x丨<1},B={x丨丨3-2x丨≥3},求A∩B,AUB(13.0分)