求使函数
取得最大值和最小值的自变量
的集合,并求出函数的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4e8153e59bff43443f5c88e1b03d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
更新时间:2023-04-11 22:26:40
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解答题-问答题
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(0.85)
解题方法
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6459c9068079b9d703ba54331ebe7d58.png)
(1)若函数
的值域为
,求
的值
(2)若函数
的值都是非负数,求函数
的值域
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6459c9068079b9d703ba54331ebe7d58.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea75c5b69bf046db386f29ef190a50d.png)
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较易
(0.85)
名校
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【推荐1】已知的数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33d751a6b702be3e27e0c8c36769d46.png)
(1)
有解时,求实数
的取值范围;
(2)当
时,总有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33d751a6b702be3e27e0c8c36769d46.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc1a5d24bd8b6fffc5bba15951c3d32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
名校
解题方法
【推荐2】已知函数
,且
.
(1)求实数
的值;
(2)若
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693b933d10e13a544559b8f0cb6422bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157a2de360e3fcb2e77242543822fe31.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd29544a6b056940d248c2fa4ec36043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次