1 . 定义:记
为
这
个实数中的最小值,记
为
这
个实数中的最大值,例如:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8774803290fd7e2b8e5aaded3878e87.png)
,
.
(1)若
,求
、
的值;
(2)已知
,求
的最小值;
(3)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956a34a1f40a8e5ca429db56154a1302.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe1c31a81f198c443e71b83ca662939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5492f8c6f6ffc3412d316727333a940a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe1c31a81f198c443e71b83ca662939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8774803290fd7e2b8e5aaded3878e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2b3b0ca12bc39549b0c3843c1dee61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6be5ce078006dc2e59d419359e171f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b191787f1c8f50f09fcfdd4f54ad58a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1a1611f320c0f358df77aaae3f942.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b6487aab21104fcbe96f0ed5675c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db2887bd776156165be9e747cf43b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
您最近一年使用:0次
名校
2 . 设函数
(a≠0)满足
,
,
,求当
时
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bd0587f5d6a3b5db9e4a93e0dbc0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b501b3d9f1ed6143799e34b45e54742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46006273eb4b084e8fbb46020fb908b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad150b78dc4b86bdcc650d7de2a5209a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac571d2a4938fc8d60b02d72c202fe39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd713a9809d5df1de33c6f11b81eca7.png)
您最近一年使用:0次
2018-12-16更新
|
410次组卷
|
3卷引用:上海市实验中学2019-2020学年高一上学期期中质量检测试卷数学试题