1 . (1)解不等式:
;
(2)解关于x的不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea99ef6fd863da6e22cd0a0c020c52.png)
(2)解关于x的不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24aad073aedd50555ff0df39fa1bdb0d.png)
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2 . 已知函数
.
(1)计算
的值;
(2)设
, 解关于
的不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a6064341667c54815c299cdc19984c.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b17e5c8ba9972b9fdae02c354ce9f84.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48857d079f55a8cb8ddb6a1276717533.png)
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2019-05-08更新
|
498次组卷
|
2卷引用:【全国百强校】浙江省绍兴市第一中学2018-2019学年高二下学期期中考试数学试题
3 . 若
是方程
的解.
(1)求
的值;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/993ba74497b6b2c8bf6f0ca5dc65f165.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650abcaa2dc3d5af974c5545eacf50e0.png)
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20-21高一上·浙江·阶段练习
解题方法
4 . 已知
.
(1)解不等式
;
(2)若不等式
的解集中只有一个整数,求a的取值范围;
(3)若
,且当
时,
恒成立,试确定a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bbe5a759415b0cd815761e4128fa643.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89f5698f41b542aff4bcebbc81ff92b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b70f8691af2a1d287aa5c476ede5e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/779bbe67bbaca2539f6b5fcc76ec5c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b46150d733c83b792b5054bb231bed.png)
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解题方法
5 . 已知
,关于x的不等式组
没有实数解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7cfada8fd642ddf968bfd4228d48ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a375237b5cbca3d8037ade210aaa6583.png)
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6 . 若关于
的不等式组
有实数解,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de357819a2c2291b5f34cdb1f4ec541f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 解关于
的不等式组:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5256dc24610a4793202c8780bae106.png)
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8 . 解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea19f34ec31b1d2084a74b59cd97c535.png)
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解题方法
9 . 已知二次函数
满足
,
,且
的最小值等于
.
(1)解关于
的不等式
;
(2)若当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acb74208dcbe73fd8cbd89bf86bd69c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4179ee7ed14f29e6e766fa1ad644771f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde6d516da5be7837eb5f86f656c0582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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10 . 解不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9d8c1f1b59ad5e0a24f7976b99df26.png)
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