名校
1 . 已知命题
直线
与圆
有公共点;
命题
函数
在区间
上单调递减;
(1)分别求出两个命题中
的取值范围,并回答
是
的什么条件;
(2)若
真
假,求实数
的取值区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a8ba78658831f9fce13aafa1d93973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7a5c18ef36a919886d2d1e2f3e5289.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aadb627a40786091cfd9648360212a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13e38a5ee18ecf4af2d9a8443b4a7bc.png)
(1)分别求出两个命题中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-05-07更新
|
1011次组卷
|
4卷引用:新疆哈密市第八中学2021-2022学年高二上学期期末考试数学(文)试题
名校
2 . 已知命题p:任意
,x2-a≥0恒成立;命题q:函数
的值可以取遍所有正实数.
(Ⅰ)若命题p为真命题,求实数a的范围;
(Ⅱ)若命题p∧q为假命题,p∨q为真命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09508e8e64da0f03763be5067b211c2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41497e79c19d24678d64b36032cb6e56.png)
(Ⅰ)若命题p为真命题,求实数a的范围;
(Ⅱ)若命题p∧q为假命题,p∨q为真命题,求实数a的取值范围.
您最近一年使用:0次
2019-01-26更新
|
687次组卷
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3卷引用:【校级联考】安徽省宿州市十三所重点中学2018-2019学年高二第一学期期末质量检测数学(文)试题
名校
解题方法
3 . 读程序
![](https://img.xkw.com/dksih/QBM/2017/12/6/1832812780888064/1834288391323648/STEM/f14bfd1f2bbd4ee18b8605b5453b9ceb.png?resizew=115)
(1)画出程序框图;
(2)当输出的
的范围大于1时,求输入的
值的取值范围.
![](https://img.xkw.com/dksih/QBM/2017/12/6/1832812780888064/1834288391323648/STEM/f14bfd1f2bbd4ee18b8605b5453b9ceb.png?resizew=115)
(1)画出程序框图;
(2)当输出的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
4 . 读程序,当输出的值
的范围大于1时,则输入的
值的取值范围是
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/1181fa2b-6de1-4531-9a32-a8f0379a8119.png?resizew=104)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/1181fa2b-6de1-4531-9a32-a8f0379a8119.png?resizew=104)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2018-01-24更新
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140次组卷
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2卷引用:北大附中2017-2018学年高一上学期期末考试数学试题
名校
5 . 已知
为实数,函数
.
(1)若
是函数
的一个极值点,求实数
的取值;
(2)设
,若
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84d0bc1221cb1737a52848bd83b93bd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb1161e72920a3420e0060f227842ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c1eae628361a02d3301b15b2ee2656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/676435d84294be8df88f2840907c4b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-09-23更新
|
1409次组卷
|
8卷引用:黑龙江省牡丹江市第一高级中学2018-2019学年高二下学期期末数学(文)试题
黑龙江省牡丹江市第一高级中学2018-2019学年高二下学期期末数学(文)试题安徽省合肥市庐江县五校2022-2023学年高三上学期期末联考数学试题广西桂林市柳州市2018年届高三综合模拟金卷(1)理科数学试题广西桂林市柳州市2018年届高三综合模拟金卷(1)文科数学试题山东省栖霞市第一中学2018届高三4月模拟考试数学(理)试题四川省宜宾市叙州区第一中学校2019-2020学年高二下学期第四学月考试数学(文)试题陕西省榆林市定边县第四中学2023届高三上学期第二次月考理科数学试题(已下线)第七章 导数与不等式能成立(有解)问题 专题一 单变量不等式能成立(有解)之参变分离法 微点1 单变量不等式能成立(有解)之参变分离法
6 . 已知函数
的图像经过点
及![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/afcd162c07a24285b6d03be16c738e1c.png)
(1)已知
时,
恒成立,求实数
的取值范围;
(2)当
取上述范围内的最大整数值时,若有实数
,使得
对于
恒成立,求
的值.
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/a9753afc4ec9497ab4ea72417480c117.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/a005f371287e40468492bbbaafe43af0.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/afcd162c07a24285b6d03be16c738e1c.png)
(1)已知
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/07362fce4e25494cadacf2425b835593.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/f9af49d09878472cb85362e63b1c2a54.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/abb3062e2f984056b731c0c26a8fc69a.png)
(2)当
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/abb3062e2f984056b731c0c26a8fc69a.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/024ac4272c464059931835d301b5b677.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/51addacc3a1245328b35decc2ca4f4d8.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/74a13c911e364fac858915ac293619d5.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999335944192/1572999341801472/STEM/61b482eb24e348bb85193abfd27a844e.png)
您最近一年使用:0次
7 . 已知函数
.
(1)若
在区间[1,2]上不是单调函数,求实数
的范围;
(2)若对任意
,都有
恒成立,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5b193254eb319aa2a256fe3a52b832.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfe44972e8bf50ec9d250f298bbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d5b955735c38b43680462e1edf32fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-04更新
|
527次组卷
|
3卷引用:2015-2016学年广西柳州铁路一中高二上期末理科数学卷
2015-2016学年广西柳州铁路一中高二上期末理科数学卷2020届全国100所名校高三模拟金典卷理科数学(三)试题(已下线)第六章 导数与不等式恒成立问题 专题五 单变量恒成立之必要性探路法(4) 微点1 必要性探路法(4)——外点效应、拐点效应、孤点效应
8 . 设命题
实数
满足
,其中
;命题
实数
满足
.
(1)当
时,若
为真,求
范围;
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b29421d8f6b70eac6746039ddfeb451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90bc334305133ac2b4b8d21efeb3324c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572513281376256/1572513287430144/STEM/7fc447834e814c7da9ffdb2572e350e4.png)
(1)当
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572513281376256/1572513287430144/STEM/14727bd731484b40b2af5982291e71d3.png)
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572513281376256/1572513287430144/STEM/2f55c3b9b0d44f59b7bfb0b32c9e37f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a037d29525d118dc083dc3e5e808ca2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02475842a0c8318db41c5c38c3af7e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
9 . 已知函数
(
)在其定义域内有两个不同的极值点.
(I)求a的取值范围;
(II)记两个极值点分别为
,且
.已知
,若不等式
恒成立,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5124251b521fb2525f55b99ee9ff6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(I)求a的取值范围;
(II)记两个极值点分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5def2e680848aaf69b5a8c0f50ce05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2016-12-04更新
|
781次组卷
|
10卷引用:福建省闽侯县第八中学2018届高三上学期期末考试数学(理)试题
解题方法
10 . 已知函数
.
(1)当
时,求函数
的极值;
(2)若
在区间
上单调递增,试求
的取值或取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9943f4f9b54e1eec1812d2e966d7c82e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次