名校
1 . 已知
,设
:函数
在R上单调递减;
:函数
的值域为R,如果“
且
”为假命题,“
或
”为真命题,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e434d52b7741e42c21c2785eb07ffcaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb6833f8fb83c7e7db658ad4e541392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89bdf1717c68cfc8a306ee79757e7e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77b7c15b8559737e4b46b0357cee54e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e434d52b7741e42c21c2785eb07ffcaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89bdf1717c68cfc8a306ee79757e7e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e434d52b7741e42c21c2785eb07ffcaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89bdf1717c68cfc8a306ee79757e7e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3aa688caadfeb5bdf9c7dfecb5afa31.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-26更新
|
162次组卷
|
2卷引用:江西省宜春市丰城市东煌学校2023届高三上学期11月期中考试数学试题
名校
2 . 设函数
的定义域为
,若函数
满足条件:存在
,使
在
上的值域是
,则称
为“倍缩函数”,若函数
为“倍缩函数”,则实数
的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0195f699765021e2c6ea985e487971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887f6a9979510535228f6167f152d06a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bed75a8b9b54afe9145c19a96cf5033.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-10更新
|
330次组卷
|
3卷引用:江西省赣州市十六县(市)十七校2022届高三上学期期中联考数学(理)试题
解题方法
3 . 已知
,
,则![](https://img.xkw.com/dksih/QBM/2015/3/12/1572003124371456/1572003129614336/STEM/45552b0f6cfc40aa8e040d96b46e3756.png)
![](https://img.xkw.com/dksih/QBM/2015/3/12/1572003124371456/1572003129614336/STEM/b06d5982f0384d6e8c2b0c5eb6a437d5.png)
![](https://img.xkw.com/dksih/QBM/2015/3/12/1572003124371456/1572003129614336/STEM/4c567698e9be41e7b5595e3383a0c9d8.png)
![](https://img.xkw.com/dksih/QBM/2015/3/12/1572003124371456/1572003129614336/STEM/45552b0f6cfc40aa8e040d96b46e3756.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次