名校
解题方法
1 . 已知函数
,则下列命题正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6901a21e69649c4d5d3d47f5f8f920da.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
名校
2 . 已知函数
对任意
满足
,
,且
在
上单调递增,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1e70b819c8840cafd4c0e3ce79ae0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45dcf6b75e3f61d79c826c2771f6c438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13d21164163d6a67a566851ce3d8b261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a4c93e8dd72d5433557c55b7cc7d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.3 | B.9 | C.15 | D.27 |
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名校
3 . 若存在实数
使得方程
在
上有两个不相等的实数根
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6a5e99b1ab6e0016e12858c97e7db3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24192cace1d2a643fc3a42a5b7ac273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa42c1007fb2947657739dfc399e1c3d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次