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(2004•潍坊)若M(-1,y1),N(-,y2),P(1,y3)三点都在函数y=(k>...
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(2004•潍坊)若M(-1,y
1),N(-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
,y
2),P(1,y
3)三点都在函数y=
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAjCAYAAACgj+sEAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADiSURBVDhPzVTJEcUgCKUyerIdmrEUSyGC4pJv
XP4hk8w4uQBvYQE+/OAwnlOCdwwA8SFTmJeoCIEYkXgRnxFi0UDI4PySYUHwDngj3hA8O3Cs9YWa
6kkPb6Kq6MI/Jk+gNEH4ayV1KyM9qIkJgQkrBVg4BYlzrqoI815Ab6eIN6ERmX5thrudWmDS9T9n
adnfGvACgo3Azl+IvUDpwCAN/SwluxrtEsk8DUa90SB7IaPdrOvAkU50mtTlxjVlNm5Th+Blt1cb
Z/WFjhyLslDRiNHx0I3r7o859nBqPtvpg5G9AMKT8EE9vJPcAAAAAElFTkSuQmCC
)
(k>0)的图象上,则y
1,y
2,y
3的大小关系是( )
A.y
3>y
1>y
2B.y
2>y
1>y
3C.y
2>y
3>y
1D.y
3>y
2>y
1
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的自变量x的取值范围是________.
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的解是________;
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的自变量x的取值范围是________.