名校
1 . 已知函数
,函数
.
(1)若
,求
的值域;
(2)若
:
(ⅰ)解关于
的不等式:
;
(ⅱ)设
,若实数
满足
,比较
与
的大小,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25d5c7479bf62d5c9fc71bf46b56866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd6cc4bdc89f1475cd1b3e21808ff6a3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77589ec03475a3a653d684f6f23b467.png)
(ⅰ)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
(ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604be3e10ddd5e520c921a8e5ab923e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99a77bd57c52838c723803db147e17d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca8b26c3ad6d892590290a2304126bd.png)
您最近一年使用:0次
名校
2 . (1)已知
,证明不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f93a0b5c8596038db8a8e841b4588b.png)
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ae7a0de0c9e4c3019f68d91608a614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f93a0b5c8596038db8a8e841b4588b.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38314835be7dda41643cd43923d9860.png)
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3 . 根据要求证明或求解不等式.
(1)若
,求证:
.
(2)解关于x的不等式
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc2bb608dcbe043ded3b74d4a8b5140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95d4963eba6b2e9c64c86d5292f7ad3f.png)
(2)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71b541490f21e6269d03b78f4dbe0b1.png)
您最近一年使用:0次