10-11高三·浙江温州·阶段练习
1 . 已知
且
,则使方程
有解的
的取值范围
为_____________ .
![](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/353b7f8a8e5f49ebaaa7ec8629ac9953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
为
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11-12高三上·重庆·阶段练习
2 . 函数
的定义域为_________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfca59b0ffc13c3534493484adf3e36e.png)
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3 . 函数
的单调递减区间为____________ ;
![](https://img.xkw.com/dksih/QBM/2015/1/28/1571973462171648/1571973467914240/STEM/6a129c4436bd40eca3dd2c90037a37ac.png?resizew=156)
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4 . 设常数
,实数
满足
,若
的最大值为
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751afe327bd2cd6e0d2336556ee5aded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9defa23d2a9b88f4dd10e0ea4bef2189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b1188f04e95228c95114ee1005e985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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