解题方法
1 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12018892a39fd5fda4a2bec62d438d2.png)
(1)当
时,求函数
的单调递增区间(不必写明证明过程);
(2)判断函数
的奇偶性,并说明理由;
(3)当
时,若对任意的
,恒有
成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9157cc896cf55ea07e40f2c62f6b70b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12018892a39fd5fda4a2bec62d438d2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d3c880f30beda2ebf604976dc159c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538193a4717d564c01145e82314c2d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c6289e088d27da393796c1fdca30f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163836ab07d982556c85ac2e6a13ae72.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)求
的单调减区间;
(2)设
,函数
,若对任意
,都存在实数
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661257d0a568a89b4249489821152b24.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807659fe04e1c0a6ef9caff9b79baf6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd2e42e6d8cead31614e8140bbddf70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f3bb43da17137e6c50874a8086df278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次