解题方法
1 . 已知函数
.
(1)求不等式
的解集;
(2)设
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef99510129906c93da12831a9edd0db0.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0dd18467feea8eb478f4669a32c2d57.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8155063b86de080c2d1fc3e12e142a.png)
您最近一年使用:0次
解题方法
2 . 定义运算
,设函数
.
(1)用代数方法证明:函数
的图像关于直线
对称;
(2)设
,若
在区间
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38043d82e56c90091995195336d8bc7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/332eca5580c5b7339884797ef3d718ae.png)
(1)用代数方法证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c5c14340834a42f5ff0d1d930ca772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9db3c093938d9b9ab6acf9dccb9950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次