解下列不等式.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab2fde9e3e934c51c1a424b7b40bccf.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab2fde9e3e934c51c1a424b7b40bccf.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c912d5c0959bf6c9c809aebca986689a.png)
23-24高一上·新疆·期中 查看更多[2]
更新时间:2024-01-25 23:13:49
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【知识点】 解不含参数的一元二次不等式解读
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐1】设全集
,
,
,求
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e707a7bea901a3af6aef3cd43ac685e3.png)
(2)
;
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afea7595bffc77585b66a16337ffba93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811fcc2f99f83f28eb36e1dc02319cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3209262d162ac1d492185ee542b01d20.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e707a7bea901a3af6aef3cd43ac685e3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db265773aaa855915ed0b8d3f66a70a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0408a44fd7c73db8cc1fe8ea88474bc5.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】已知函数
,
.
(1)若
,求自变量
的取值范围;
(2)设
,根据定义证明
在区间
上单调递减.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/482d08227480d9f8b35420eff2ce7695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab409bb25958c2f01c73e26042c6f51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
您最近一年使用:0次