A={x|x2-4x-12≤0},B={x|x2-2x-3>0 x∈z},则A∩
题型:选择题
问题:
A={x|x2-4x-12≤0},B={x|x2-2x-3>0 x∈z},则A∩B=( )
A.{-2,4,5,6}
B.{-2,-1,4,5,6}
C.{-2,3,4,5,6}
D.{-2,-1,3,4,5,6}
A={x|x2-4x-12≤0},B={x|x2-2x-3>0 x∈z},则A∩B=( )
A.{-2,4,5,6}
B.{-2,-1,4,5,6}
C.{-2,3,4,5,6}
D.{-2,-1,3,4,5,6}