1 . 设函数
满足
,且
的最小值为
,则
为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c1686b954265ee2eae865803a42126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.0 | D.2 |
您最近一年使用:0次
名校
2 . 定义在
上的函数
满足:
成立且
在
上单调递增,设
,
,
,则
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a059c1653970f4511f7c8bae28d536ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1c92c42188e3b2cb800d1186eab12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9dd705e7c63af094df31cd560d8f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b23caccb218b9b43bca1c53a8f6f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5341334f01cf433f0fbf00a0a59e417c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知
为锐角三角形,
,
,
.则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891a89afaeeef8a368439d3ceacea7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/844b0b77cdb161524e71b903497c055d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86471051bbe29e35c5ef1e3dca10aad.png)
A.![]() | B.![]() |
C.![]() | D.以上三种情况均有可能 |
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4 . 设函数
,对于任何
都有
,且当
时,
.若
的图像与直线
相交或相切,则其交点或切点的个数为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a17e36b57a381a274173902e8a020d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d91f7a11cc608e7dade32bb4b6b615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/286a3afb6635ae0c6aa627e4d4318157.png)
A.1 | B.2 | C.3 |
D.不确定,与![]() |
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5 . 已知集合
,
则
的面积与
的面积的比值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f005e37d92ad4ce637cc4b74674139f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1883eee600e92368aa3d140f941982c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
A.99 | B.100 | C.101 | D.102 |
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6 . 设
,
是定义在有限集合
上的单调递增函数,且对任何
、
,有
.那么,( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e468312d09c6563c9094b710a35a65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e75a2aec5a4cd169b811cef69c9508a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e63c91626ffa91e590925e6f206c3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd4a34c4df63801f72feaaeb023c5c2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 方程
的解的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59272a255424c5df6027ccbeb77feea0.png)
A.0 | B.1 | C.2 | D.大于2 |
您最近一年使用:0次
8 . 若
是
上的减函数,且
的图像经过点
和点
,则不等式
的解集为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f94c4f6b762fddb0e313050ef6932eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5fb552c79ab5d45b0aeafc06e58542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994bb386f3d6470186b9141abfa5de08.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
9 . 若实数
满足
,且
,则下列关系中正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43fb3b4ec03df1e4d86c87287f8b563f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5442f2c9a69949cad7e8486f65a156e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44211b893635aadab26a4c9fe1d79615.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 设
,
,函数
在
上是增函数. 则
的取值范围是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab49b3c4507c56aea60b7e4aa939d3d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f88173ef0c29bedd0155b7893d2474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次