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={1,2,3,4}, ={y|y=3x-2,x∈A.},则A.∩B.=( ) A.{1}B.{4} {1,3} {1,4}
M.⊆N N=M M∩N={2,3} M∪N={1,4}
={1,2,3,4}, ={y|y=3x﹣2,x∈A.},则A.∩B.=( ) A.{1}B.{4} {1,3} {1,4}
[0,2] R (﹣1,4] (﹣1,0]∪[2,4]
={x|x2﹣4x﹣5<0}, ={x|2<x<4},则A.∩B=( ) A.(1,3)B.(1,4) (2,3) (2,4)
={1,4,x}, ={1,x2},且B.⊆A.,则满足条件的实数x有( ) A.1 个B.3个 4个 2个
{4,1} {1,4} {(4,1)} {(1,4)}
={x|x≥3或x≤1}, ={x|x2﹣6x+8<0},则(∁R.A.)∩B.=( ) A.(1,3)B.(1,4) (2,3) (2,4)
{1,4,5} {1,4} {4} {1,2,3,4}
={x|≥0}, ={x|log2x<2},则(∁R.A.)∩B=( ) A.(0,3)B.(0,3] [﹣1,4] [﹣1,4)
={1,2,3,4}, ={x|x=n2,n∈A.},则A.∩B.=( ) A.{1,4} B.{2,3} {9,16} {1,2}
{ 0 } { 2 } { 0,2 } { 1,4 }
={x|2={x|(x-1)(x-3)<0},则A.∩B.=( ) A.(1,3)B.(1,4) (2,3) (2,4)
(1,4) (1,4] (-1,5] [-1,5]