题目内容
已知集合M={y | y = x2},N={y | x2+y2=2},则M∩N= ( )
C
解析
已知集合M={y | y = x2},N={y | x2+y2=2},则M∩N=( )
A.{(1,1),(-1,1)} B.{1} C.[0,1] D.[0,]
已知集合M={y|y=x2},N={y|y=x},则M∩N=
A. B. C.[0,1] D.(0,1)
A.{(1,1),(-1,1)} B.{1} C. [0,] D.[0,1]
已知集合M={y|y=2x,x∈R},N={y|y=x2,x∈R},则M∩N等于( )
(A)(0,+∞) (B)[0,+∞)
(C){2,4} (D){(2,4),(4,16)}