1 . 设全集![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
(1)解关于
的不等式
;
(2)记
为(1)中不等式的解集,集合
,若
恰有3个元素,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa54552d176d2008b0e9a360a8be3234.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ebefd721eef5d9066e27ba50853511a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6aa5051711f5df6206fea538f2bdf61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
2 . 不等式
的解为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b9c5013ad61d07ee719d4201517ae7.png)
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解题方法
3 . 请写出不等式
的一个解:__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40b41fea8090d56113f8f501d9b5488.png)
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4 . 已知函数
, 其中
且
.
(1)若1是关于方程
的一个解,求
的值.
(2)当
时,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e552f584c04884ce36007861de8a9d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a4e8899dd46ace22a36e652b6da2f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若1是关于方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0008d46dc238d710a1efe7e2c17237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 解关于
的不等式.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd759ecbb49c579bb7e7a1efb1b4b45c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6cb7b8a3e28334596eac3afbffdd98.png)
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6 . 已知关于x的不等式
有实数解,则a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fe126af30d7b3c45f3a141d4c50ee3.png)
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7 . 解下列关于
的不等式:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90af9ba1a3d2362ecba6775e1d0030.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8d102771553eb5225ad4642b402bf5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90af9ba1a3d2362ecba6775e1d0030.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8d102771553eb5225ad4642b402bf5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b9c5013ad61d07ee719d4201517ae7.png)
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8 . 解下列关于
的不等式
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9dd7c0a57957a0eb1a24722ae571474.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9dd7c0a57957a0eb1a24722ae571474.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d061a2d5541d99fbf1ef3494efc434f3.png)
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2022高一·上海·专题练习
9 . 若不等式
与不等式
同解,而
的解集为空集,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcbae7241eaf76b6da223130d05e05dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50395e02fe609225df96acd2b81bc5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15cf76195e35788f341f5c5c5c9426f0.png)
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