首页
(1999•昆明)函数y=的自变量x的取值范围是________.
试题详情
(1999•昆明)函数y=
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACUAAAAkCAYAAAAOwvOmAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
的自变量x的取值范围是________.
相关试题
-
(1999•昆明)函数y=
的自变量x的取值范围是________.
-
(1999•昆明)函数y=
的自变量x的取值范围是________.
-
(1999•昆明)函数y=
的自变量x的取值范围是________.
-
(1999•昆明)函数y=
的自变量x的取值范围是________.
-
(1999•昆明)有一个水箱,它的容积500升,水箱内原有水200升,现需将水箱注满,已知每分钟注入水10升.
(1)写出水箱内水量Q(升)与时间t(分)的函数关系式;
(2)求自变量t的取值范围;
(3)画出函数的图象.
-
(1999•昆明)有一个水箱,它的容积500升,水箱内原有水200升,现需将水箱注满,已知每分钟注入水10升.
(1)写出水箱内水量Q(升)与时间t(分)的函数关系式;
(2)求自变量t的取值范围;
(3)画出函数的图象.
-
(1999•昆明)如果反比例函数y=
的图象在二、四象限,那么k的取值范围是( )
A.k>0
B.k<0
C.k≥0
D.k≤0
-
(1999•昆明)如果反比例函数y=
的图象在二、四象限,那么k的取值范围是( )
A.k>0
B.k<0
C.k≥0
D.k≤0
-
(1999•辽宁)函数y=
中,自变量x的取值范围是________.
-
(1999•哈尔滨)函数y=
中,自变量x的取值范围是________.