名校
解题方法
1 . 函数
为参数,
(1)解关于
的不等式
;
(2)当
最大值为
,最小值为
,若
,求参数
的取值范围;
(3)若
在区间
上满足
有两解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db2e3d3b0a2d4d510a746bcd16184b4.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b5c7c88bc915ff14da8efa16a1d641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5f18a08ed6cf92b894ea722af72862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf6481810c89001ea1bae271d5a20e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92150ec341022fc192765335079b3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b779207a097010b0ee4864b1e653ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-04-02更新
|
255次组卷
|
3卷引用:重庆市綦江中学2018-2019学年高一上学期期中数学试题
名校
2 . 已知函数
,
.
(1)若
在区间
上不单调,求
的取值范围;
(2)已知关于x的方程
在区间
内有两个不相等的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1327cec2337e6c2394de386ffc7a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e4853570f29bdbff47a8a89a06452c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c7b74fd862d7e3f35e40ae1f626c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-01-11更新
|
556次组卷
|
2卷引用:广东省广州市第二中学2022-2023学年高一上学期期末数学试题
名校
3 . 已知函数
,其中
.
(1)若函数
在
上是增函数,求
的取值范围.
(2)若存在
,使得关于
的方程
有三个不相同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c2a64f81f7d3ae4c8c4b4c401a16ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfed3b23a41131d4d9ecc98e5dffa51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab030a7a97beff80445ab826657e7b62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次