名校
解题方法
1 . 已知函数
,
,
,若
与
的图象上分别存在点
、
,使得
、
关于直线
对称,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e9793952a28ae090b29eff1bc8f752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10425b164075923a7c16ff454bef8cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b947c3c7bd80333238bbc166224ee9ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
2 . 给出下面四个结论,其中正确的是( )
A.设正实数![]() ![]() ![]() |
B.命题“![]() ![]() |
C.若函数![]() ![]() ![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次