已知函数
,若实数
满足
,且
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546703ad1b951117aac76a31ef8c91b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8fa6d22b58fbd61c43ee524cb30394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/785869573d25ad8fe2cffd37dfcab4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66690777e320210bccc49168c386437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28bf284b45c18f88528ebdcce690857.png)
更新时间:2024-02-27 22:54:25
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适中
(0.65)
解题方法
【推荐1】设函数
,
是二次函数.若
的值域是
,则
的值域是__________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c31aa4a021c4d6bfe8d510c0a3ad5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c735550bf19096ef02e7cc05b40a0879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b029e85e686623cdef977b2cb1f207a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】已知函数
,且关于
的方程
有三个不相等的实数解
,
,
.若
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0b01e75bd191bd797c17a90a314f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972236dbc6ed9a9c5581d3499950e485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5011ec00c739f29cb1f6943d29d90aa.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐1】已知函数
(其中
是自然对数的底数),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8200144aeb3fcb2aff20516db5ae4d.png)
___________ ;若
与
的图象有两个不同的公共点,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa1496129477786abcb7ca27674573e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8200144aeb3fcb2aff20516db5ae4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9905684be64e03f365fcf5d143897768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】已知函数
有零点,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ff4aaf56ebfe09e3ed90e6bd304d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次