名校
解题方法
1 . 若关于
的不等式
的解集为
.
(1)求
在闭区间
(
)上的最小值
.
(2)画出函数
的简图,并写出函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8c06fb23fc451b42eb936f91a3197e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e07f9648358de30d5e87a1bc121fc9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592744129d3499498fee320ae874645e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91b3592e2dce9cc8639ca9d30e12bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
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2020-10-24更新
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2卷引用:浙江省绍兴市鲁迅中学2020-2021学年高一上学期第一次月考数学试题