1 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/d24822ea-be30-4efe-b9f9-bae358b30a5b.jpg?resizew=224)
(1)在坐标系下画出函数
的图象;
(2)求使方程
的实数解个数分别为
时
的相应取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163c1b38be9ba29d6446e3ddb27f4953.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/d24822ea-be30-4efe-b9f9-bae358b30a5b.jpg?resizew=224)
(1)在坐标系下画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)求使方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4abe42e18da323d3147576da5ed72f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dedba68d16e6661cc981f576da4d3e62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
2 . 已知
是定义在
上的偶函数,当
时,
.
(1)求
的解析式;
(2)画出
的图象;
(3)若方程
有4个解,求实数
的取值范围.
![](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/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2b53cd9892f6d174509740afbc69d6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb101c5df08aa35ae24a6416840b199b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次