1 . 已知函数
的图象(如下),下列说法正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/c86620b2-2f56-4bf9-969b-6c8b1ae8b1d9.png?resizew=267)
①函数
的定义域为
且
;
②函数
的最大值为
,无最小值;
③函数
满足
;
④函数
在区间
上是增函数;
⑤不等式
的解集是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdb8a837389f3199879648f8ff3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5743ef72101d0caeb6d79dd803ba21c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/c86620b2-2f56-4bf9-969b-6c8b1ae8b1d9.png?resizew=267)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6dab47cc96b91f4befe58c0308f573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff90104a2af402319c065ab444ffa1.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b889efe020137b112bfafaa8e0becda4.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6f40b13bc8ba75ac13982bccbcffad.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b7f7d63889f5e2296c79a8453e6ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d21f46ec32c42b46b988bfe401ebba.png)
⑤不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b6186179c8ea3db31261bbf3b13b04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdb8a837389f3199879648f8ff3fff5.png)
A.①④⑤ | B.①③⑤ | C.②④⑤ | D.①③④ |
您最近一年使用:0次
A.①④⑤ | B.①③⑤ | C.②④⑤ | D.①③④ |