10-11高二·湖南长沙·阶段练习
1 . 已知二次函数f(x)=x2+bx+c,且不等式f(x)<0的解集为{x|1<x<3}.
(1)求f(x)的解析式;
(2)若不等式f(x)>mx﹣1对于x∈R恒成立,求实数m的取值范围.
(1)求f(x)的解析式;
(2)若不等式f(x)>mx﹣1对于x∈R恒成立,求实数m的取值范围.
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10-11高二·北京朝阳·期末
解题方法
2 . 已知
,
,
.
(1)求不等式
的解集;
(2)若p是q的充分不必要条件,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd02e8d485218776b3fb7e7feb9e3378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd2437bcf78ffc1cd92bb535aabde7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34f42b3be15518c29e3689c9fe6d6d.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8853e02cfa11fdca84d2e8a0e3d099d.png)
(2)若p是q的充分不必要条件,求m的取值范围.
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9-10高二下·浙江嘉兴·阶段练习
3 . 已知
且
,设命题
:函数
在R上单调递减,命题
:不等式
的解集为R,如果命题“
”为真命题,“
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fc226ea6e882e60425e8144702c7e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebdb03377b52bdeb0cf9e67c704327b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9b17e98d7390288fda2e3f78ec9822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8e6229dcadf3eb00257e493b80c277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63e8f7a492b9066d33a7741a74ba621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c554e9fd580d60d9eff61b0c65199df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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4 . 已知函数
.
(1)若不等式
的解集为
,求实数
的值;
(2)若在(1)的条件下,存在实数
,使
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20c018ec0999ed877239171a17eea12.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b45f8224a638bb503ccb01749cfeb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b3749bfef2e73f7dcf10152c35a866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若在(1)的条件下,存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0245f0e0a6d080e68a02c5bb07d92790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2016-05-30更新
|
266次组卷
|
2卷引用:2015-2016学年辽宁省鞍山一中高二下期中文科数学试卷
5 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若
,且
的解集包含
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711c03b38dd04cb8070bfc7d9c4c1bbc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b21a52ba554a8f2b89ab6f1e3d012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36bb12de2aac8f41d57d02b4d199b6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44d59359f3a7bbd1c51221ab1586c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e78b245d401e948db0233b22f2e38865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 设集合
,关于x的不等式
的解集为B(其中a<0).
(Ⅰ)求集合B;
(Ⅱ)设p:x∈A,q:x∈B,且
是
的必要不充分条件,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572312609161216/1572312615231488/STEM/6f49af76b1c84c1fb739cb179bb629dd.png)
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572312609161216/1572312615231488/STEM/693572bbeaef4e62b011e1a5a4c99deb.png)
(Ⅰ)求集合B;
(Ⅱ)设p:x∈A,q:x∈B,且
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572312609161216/1572312615231488/STEM/a3b1882960ab48debb13c1fc9408f08f.png)
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572312609161216/1572312615231488/STEM/1ccc48e98e7a4b67b6f2e552d0e2e050.png)
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572312609161216/1572312615231488/STEM/16b3df46b56349b3a191299503ac0e5d.png)
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