已知函数
是定义在
上的奇函数,且当
时,
,若函数
恰有两个零点,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d028846b8614318fbf90387d13c75b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40da2dcbaec0775970df67b54852ee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68072473a5106f93e3026d992859f7a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
20-21高三上·陕西汉中·阶段练习 查看更多[3]
更新时间:2023-08-07 21:55:46
|
相似题推荐
填空题-单空题
|
较易
(0.85)
【推荐1】定义在区间
上的奇函数
,它在
上的图象是一条如图所示线段(不含点
), 则不等式
的解集为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589ed49839c4dc0b033431d88a4c1f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44a0689b2a3510847479f51ccbcfc0f.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572384343539712/1572384349511680/STEM/2beac6e111e74d9fa170d293aa586a14.png?resizew=162)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐2】设偶函数
在
上是增函数,且
,则不等式
的解集是_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db7707d6b2754808adefc9b2fb976a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e12fec9779824697417845cc7afa27d.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐1】已知函数f(x)=|lgx|,若a≠b,且f(a)=f(b),则a+b的取值范围为______ .
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐3】已知
且
,方程
有且仅有两个不等根,则
的取值范围为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae018fde08edf0539089f98c17e11ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd594e99f82b7736c44e18b2721e607f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f865e8d46e0bbf661366fcf59de41246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
填空题-双空题
|
较易
(0.85)
名校
【推荐1】设
且关于
的方程
恰有三个互不相等的实数根
,
,
,则①
的取值范围是_______ ;②
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232db51827c80964c4bdfca67cc769cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75faf121e3293a5d65a96e08db97675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafaeedddee618f5e86a5f2efd15b2cd.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
解题方法
【推荐2】已知函数
,若方程
有三个不同的实数根,则实数
的取值范围是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca6a4c2cccd7ae9d7cabd61ff112589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79d4be5b4ec7caa1605b09364dc6125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次