Question

设集合A={x|2x+1＜3}，B={x|-3＜x＜2}，则A∩B等于

A.{x|-3＜x＜2}                           B.{x|-3＜x＜1}

C.{x|x＞-3}                              D.{x|x＜1}

Answer 1

B  A={x|2x+1＜3}={x|x＜1},B={x|-3＜x＜2},

∴A∩B={x|-3＜x＜1}.