1 . 给定实数
,
且
.设函数
(
且
).证明:这个函数的图像关于直线
成轴对称图形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8da66b2b2a6523c22c22ac5d96c160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3b8d497ea81201d9f38e45dc0a2d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
您最近一年使用:0次
解题方法
2 . 已知函数
(
).
(1)求
的表达式;
(2)判断
单调性,并证明;
(3)设
,求函数
的最小值及相应的x值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/862e6f6bf06474a02400bff5fe9d1fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9afb528423ed6c19355ca8bd8f2359.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9afb528423ed6c19355ca8bd8f2359.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8ee7f4a261a1e93f2f7d53d4e9af3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
2020-06-26更新
|
134次组卷
|
2卷引用:沪教版(2020) 必修第一册 精准辅导 第5章 单元测试卷