定义在
上的函数
满足
,且
时,
,若方程
恰有3个根,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f4cf3fb99244adc5cdc17e5a8481eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b8e9bb1e11d02cc2190a6e5ede4293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5590378ed1fbc598f05e35348a2e8ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d0940a7ee4d90e229bb465f139eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-10-15 14:37:31
|
相似题推荐
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐1】若函数
,则不等式
的解集为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acc4518cd6c945f8252c7462875a0ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3411ecd9dd48e5ba1e9714a36115196.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】设函数
的定义域为R,且对任意实数
恒有:①
;②
;③当
时,
.若
在
上恰有三个零点,则
的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b3d8321b8a85830c2af2ead9f36867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545931b962cf570712d04888b57093f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d58567d3cb3137e68b7ff1671cd8433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97faf620700289792d8c9118f2c4a380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.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
|
适中
(0.65)
名校
【推荐1】已知函数
,若
互不相等,且
,则
的取值范围是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04505a4b1a1e79cdf43cc10d61b80bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb94a713a13241f72399c39f94b65e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2d7ddd7ef3b6cde30018bc6a84b9e0.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐2】已知函数
,
,若
存在2个零点,则实数m的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f59bf9733b3e66b5a2ec3fbc47f126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ddc46227b65991dee4fca8a122dbc66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐3】已知函数
,
,若
存在2个零点,则实数m的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7f31738a6ccb48b438770c5e0a3b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233d9817b8b250657f71cf9ee7a38069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐1】已知函数是定义在R上的偶函数,当x≥0时,f(x)=
若关于x的方程[f(x)]2+af(x)+b=0,a,b∈R,有且仅有6个不同实数根,则实数a的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30bc562fd3f0c39c6c6015bd7dc561b9.png)
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
【推荐2】已知函数
,
①当
时,
在
上的最小值为__________ ;
②若
有2个零点,则实数a的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee3c635d6e2ab9eaa09a6fed3c6f564a.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次