设集合 M = {x | x 2－x < 0}，N = {x | | x | < 2}，则
| A．M∩N = Æ | B．M∩N =" M" |
| C．M∪N =" M" | D．M∪N = R |
相关试题
设f(x)是(－∞,+∞)上的奇函数，f(x+2)=－f(x),当0≤x≤1时，f(x)=x,则f(7
5)等于( )
| A．0.5 | B．－0.5 | C． 1.5 | D．－1.5 |
的值域是( )
(x≤－
)的值域是( )
,+∞
］
－2,2推荐套卷
设集合 M = {x | x 2－x < 0}，N = {x | | x | < 2}，则
| A．M∩N = Æ | B．M∩N =" M" |
| C．M∪N =" M" | D．M∪N = R |
设f(x)是(－∞,+∞)上的奇函数，f(x+2)=－f(x),当0≤x≤1时，f(x)=x,则f(7 5)等于( )
| A．0.5 | B．－0.5 | C． 1.5 | D．－1.5 |
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