名校
解题方法
1 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/23/d078325c-bdbf-40b5-ae80-6d5720ff874d.png?resizew=229)
(1)求
的值;
(2)若
,求a的取值范围;
(3)画出函数
的图象,若方程
有三个解,求b的取值范围(直接写出答案)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a58d9b8d31c5187ccba4ec6fd85a520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/23/d078325c-bdbf-40b5-ae80-6d5720ff874d.png?resizew=229)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01562259624de6721ad48ff13aafb89.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbd6362b7d43800e490dca0a256239c.png)
(3)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4225e667aeed4271244b98e820964a17.png)
您最近一年使用:0次
2022-10-20更新
|
978次组卷
|
6卷引用:北京市丰台区2022-2023学年高一上学期期中数学模拟练习试题(B卷)
2 . 已知函数
.
(1)当
时,求曲线
在
处的切线与两坐标轴围成的三角形的面积;
(2)若关于
的方程
恰有四个不同的解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed1876b364265c4ad050ca4fba29897.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fb0324900f84076444b35a90ce7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-08-22更新
|
548次组卷
|
2卷引用:北京师范大学第二附属中学2023届高三上学期8月返校检测数学试题