名校
1 . 已知函数
,对于任意的
,都存在
,使得
成立,则实数m的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a4639effe7da795003cedebfd2ec50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a49684ba67f71171321586f1a77ad4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bc8f11fd77a832e2f16e0387523c4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378fc033d7265ba88fc76214733e2fac.png)
您最近一年使用:0次
2022-06-08更新
|
1819次组卷
|
7卷引用:广东省广州市六中2022-2023学年高二上学期期中(线上)数学试题
名校
解题方法
2 . 已知函数
,对任意a,
恒有
,且当
时,有
.
Ⅰ
求
;
Ⅱ
求证:
在R上为增函数;
Ⅲ
若关于x的不等式
对于任意
恒成立,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ab39f22cd2a6081356f2532c1d0095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c62e8677ea5b1613cd4d15dc5ebe0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959f019ced15fee01049607a897aae83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f8ea426c5c889a0486ce554a4a438a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbd0cca5ac040e300930067f5765fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bef5d5f5e55c4ac836ba04284b3c2b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0632d6e3f3462ae16dbff9050f74da.png)
您最近一年使用:0次
2019-01-20更新
|
3670次组卷
|
6卷引用:浙江省宁波市北仑中学2021-2022学年高二下学期期中数学试题