解题方法
1 . 已知函数
,
(1)当
时,若
且
,证明:
;
(2)当
时,若
恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf69b4d0d110205b2024430b670446c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b70f8691af2a1d287aa5c476ede5e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbf8da534490147db4fee75f71a4c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f774df9caef9535f3506730284183738.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6343069217cd6d8dd32446da428dae46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d026de72fab7e92f39f461e41be3a15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219ba6c8a1b54598db1a78cab28d9d30.png)
您最近一年使用:0次
2 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6de40a885f9e7b345bd497ba8e471d.png)
.
(1)当
时,函数
的图像经过点
,试求
的值,并写出(不必证明)
的单调递减区间;
(2)设
,
,
,若对于任意的
,总存在
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6de40a885f9e7b345bd497ba8e471d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616d488c6b5efa1bea37439bcd619b55.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a5ea3feeb78559a6af14fb6301f346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714514ae3390d240d25441119c787b88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c0e1afa671a2fc00026bd2bb9749f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c17939ee9d41cb5a00ad55df75d87356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b17615a18154554cb33f7a95e4c27ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de20b31c77afbccd0c6e74bf9cf34d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-08-17更新
|
607次组卷
|
2卷引用:上海市宝山区2018-2019学年度高一下学期期末数学试题