已知函数
,
,若函数
有三个零点
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e1e0761940bf7332aed1c7ec002497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421da7ed4b073eb9031c7292ec2c9552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8477ed6c4d8c19638a0c21edb8a3d4d.png)
更新时间:2024/02/15 23:10:20
|
相似题推荐
填空题-单空题
|
较难
(0.4)
名校
【推荐1】已知函数f(x)=x3+lg(
+x)+5,若f(a)=3,则f(-a)=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257f259d4cfbf7b477ccc7ff85ef44a7.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
【推荐2】已知关于
的方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29539a36592e34e8c900ac2c4a4cc797.png)
在区间
上共有
个互不相同的实数根
,当
取得最小值时,实数
的取值集合为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29539a36592e34e8c900ac2c4a4cc797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3442ce843d02b54055cfad056b091d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c61355cd51d3b9170613b1b2111f0bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc321599521a98661ed719cc82ca87c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe1c31a81f198c443e71b83ca662939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62cf03c4b14b615f63aa568065bd7c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
【推荐1】已知函数
,若
,关于
的方程
有三个不相等的实数解,则
的取值范围是__________ .
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572106524016640/1572106529857536/STEM/fa627a82fe6a49efb1546d57d263a62d.png?resizew=136)
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572106524016640/1572106529857536/STEM/4a69beb17b2e448385d9ca04ede98a6f.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572106524016640/1572106529857536/STEM/b1a3d39942a741d1a82a5ee575338117.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572106524016640/1572106529857536/STEM/f5c0b9c0a5644bb6b492018b3517db2d.png?resizew=60)
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572106524016640/1572106529857536/STEM/b30cc606dc4e49828ed0d696a828ddf3.png?resizew=13)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
【推荐2】设函数
,若函数
恰有三个不同的零点,分别为
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a214e6e3def115dcaa9844866865e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9c82c1ec9a0ff6eec86178962285f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcee20976de0e0e8c1ccd7a951674691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd43286b58600b12e973f4c7b2b7e3f8.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
【推荐3】用
表示a,b中的最大值,设函数
有三个零点,则实数k的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53ad6b511253288bb1a39cf30a82e644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87396ba4dee990fed797e891931f66aa.png)
您最近一年使用:0次