名校
1 . 已知
均为正数,且
,则
的大小关系为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34df2a752b367ee858360fbad91ecf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6785cfc4bb56ed6a2ee5e79f5d91a22f.png)
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解题方法
2 . 已知函数
的定义域为
,
,若此函数同时满足:
①当
时有
;
②当
时有
,
则称函数
为
函数.
在下列函数中:
①
;②
;③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0944fd7f305c80b75bf8cf0f5aa751f.png)
是
函数的为________ .(填出所有符合要求的函数序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6081690f4c0352290b2e88689b4945.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9cdea1e995c59e5d3225acad8b4d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed27a5201103062651b120c1fe20266e.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ecda7bfb0a2043306bf7707a136ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356704dd58441206abb070f2b8fc0cc8.png)
则称函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
在下列函数中:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f46c63ded04bfe8143bd4c6bb8c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d554245d04dbb72a823c273495ea1a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0944fd7f305c80b75bf8cf0f5aa751f.png)
是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
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3 . 函数
的定义域是____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ff412b38475609b46ebe4a79e0f13b.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
满足
,函数
.且
与
的图象交点为
,
,…,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffdb2a725db5fb30da513f4824a4b83.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45b3e2705b15ea0121fb5da3dc478ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5a06c839046b7c3c3032a0b453c7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56720e2f2b0ddd72156da495923698da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2852ae85cfcc804b3192ea8543c88938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca72afe546d9104b0c80fe02126f61c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffdb2a725db5fb30da513f4824a4b83.png)
您最近一年使用:0次
名校
5 . 已知定义域为R的函数
在
上单调递减,且
是偶函数,则
,
,
的大小关系是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda591d3909af06eabf6b37c65bfe571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25990e1d373ac30d7480633e47cc1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63b1b2a30458601d94450007fb33316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf59c5075f9e6fdf3782b6c0e528237.png)
您最近一年使用:0次
6 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d678147e3af7498cfaf34bd078012a1.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc853dcf891f7df5e962ee604f0e8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d678147e3af7498cfaf34bd078012a1.png)
您最近一年使用:0次
解题方法
7 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5879073cf4b9fc24612a595699d0b28.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752f8a28387646d74d78a42fd95c012e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5879073cf4b9fc24612a595699d0b28.png)
您最近一年使用:0次
8 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/685313bc490951b13de06481f70e21b3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1edffce0a366f4060227f7a852112e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/685313bc490951b13de06481f70e21b3.png)
您最近一年使用:0次
名校
解题方法
9 . 定义在
上的奇函数
为减函数,且
,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f8150b3ec4d3e3a250d336ba228126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
10 . 已知函数
满足:
,且对任意的非零实数
,都有
成立,
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f21febe8749e5e598124c2f6bb4025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384ee91c3da91357ea1911d092d42484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097fa3d0f245f08a793263868f7d0cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
您最近一年使用:0次