21-22高二·江苏·课后作业
解题方法
1 . 求下列函数在所给区间上的最大值和最小值:
(1)
,
;
(2)
,
;
(3)
,
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d8f2ffa8f1b85c0fb5c3ac7ade6162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3606fd3966dc72e0f8a32047945a86e2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c434b4973be1b666e082c1bdf04ea6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbb01a7f5e9861aa185c6c63fcd58c0.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb08ba2b0b4367051483b1836fa0910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a68eadbcb9953c6d7fc17ef2763ce5.png)
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21-22高二·江苏·课后作业
2 . 对于函数
,如果
(c为常数)对定义域中的每个自变量
均成立,那么
一定是函数
的最大值吗?如果
对定义域中的每个自变量
均成立,那么
一定是函数的最大值吗?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e027e4901be30f64cf38ce2ea45fa4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4cfcf05e9cbd9db843ccfd57bfa9a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03e483e8a37a8e0e1fb327f99ad93ea.png)
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