1 . 已知
是定义在实数集
上的偶函数,当
时,
.
(1)求
在实数集
上的解析式;
(2)判断
在
上的单调性;
(3)设
,
,
,
,试比较a,b,c,d的大小,请写出判断过程并按从大到小的顺序排起来,用“>”连接.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79755b547b90a7f9e9a7c6a3961eb4ad.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c665e8fd4ee6e0d1410bb0c269f75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af423c5f40a3e502af71bc0e2e377a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88693e1ed0f3e285c6496db4141ca776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6660909fd4c02c8c3b9e9e99e2719333.png)
您最近一年使用:0次
解题方法
2 . 已知指数函数
,且
的图象过点
,
.
(1)若
,求
的取值范围;
(2)判断
在
上的单调性;
(3)设
,试比较
的大小,并将它们按从小到大的顺序排起来.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cae47ad50ac506ced900f0a5156c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93cf960e02c72a12e97c86091b8a8f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ef72191a9ac3bd5a325395a72bdc2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1d195c6dcc117e03c8703273120401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d94bd43003dbb6412d6fe38c89abd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c5fe8a9ad42e52a8a40242865c6752.png)
您最近一年使用:0次
名校
解题方法
3 .
满足:
都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc2af33d9e2ad677b2120235f799d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9962d7d23d4245e4aa5186329a62775.png)
,则
的大小顺序为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d6b13c45d8cc2f9c82ac6882a46013b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc2af33d9e2ad677b2120235f799d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9962d7d23d4245e4aa5186329a62775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e452d2787d833493c850090409bec5bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67f24eb470b2ebc7a9b1f84b59d38059.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次