1 . 已知命题
函数
的定义域为
,命题
关于
的方程
的两个实根均大于3,若“
或
”为真,“
且
”为假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30eede7e7996be841ac479daa2db5230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8440468460ccaadf6d53829151a38db6.png)
![](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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
2 . 已知命题
,且
,命题
,且
.
(1)若
,求实数
的取值范围;
(2)若
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa3ce35f134bf2d3ede948a90653247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b987afd812bfd513b38d8a635e9b126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4392609f63fcb931c45d779be927a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f49352555b8a74c291291f3be4aab9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c4a700c08d3552f11539bbd2427722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02475842a0c8318db41c5c38c3af7e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a037d29525d118dc083dc3e5e808ca2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-05更新
|
263次组卷
|
4卷引用:2017届山东潍坊中学高三上学期月考一数学(文)试卷
3 . 已知函数
,
的图象过
点.
(1)求
的值.
(2)若
,求
的解析式与定义域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a04546d92fd165fc1ad2cc82c2dbb25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c238ef22ebcc6c03e54e8d5eec724e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1870ac51d969ba8873102fb64135b2dc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf99ffda08bf44111406774c9ce57f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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10-11高一上·陕西西安·期中
名校
解题方法
4 . 已知函数![](https://img.xkw.com/dksih/QBM/2013/3/5/1571129705127936/1571129710149632/STEM/eb3d2aa46fc747d48683c3ecfdeb42f2.png)
(1)求函数
的定义域;
(2)求函数
的零点;
(3)若函数
的最小值为
,求
的值.
![](https://img.xkw.com/dksih/QBM/2013/3/5/1571129705127936/1571129710149632/STEM/eb3d2aa46fc747d48683c3ecfdeb42f2.png)
(1)求函数
![](https://img.xkw.com/dksih/QBM/2013/3/5/1571129705127936/1571129710149632/STEM/3160088b3cdb4f3aa408004930981c52.png)
(2)求函数
![](https://img.xkw.com/dksih/QBM/2013/3/5/1571129705127936/1571129710149632/STEM/3160088b3cdb4f3aa408004930981c52.png)
(3)若函数
![](https://img.xkw.com/dksih/QBM/2013/3/5/1571129705127936/1571129710149632/STEM/3160088b3cdb4f3aa408004930981c52.png)
![](https://img.xkw.com/dksih/QBM/2013/3/5/1571129705127936/1571129710149632/STEM/be9b6e1c3ec04b509186545a60c942c9.png)
![](https://img.xkw.com/dksih/QBM/2013/3/5/1571129705127936/1571129710149632/STEM/b465e5b45fde49de9091fd767360f749.png)
您最近一年使用:0次
2016-12-04更新
|
478次组卷
|
4卷引用:2015-2016学年山东省济南外国语学校三箭分校高一上期末数学试卷
2015-2016学年山东省济南外国语学校三箭分校高一上期末数学试卷(已下线)2010年陕西省西安铁一中高一第一学期期中考试数学卷(已下线)2012-2013学年福建省安溪一中高一上学期期中考试数学试题【全国百强校】宁夏六盘山高级中学2018届高三上学期第一次月考数学(理)试题
解题方法
5 . 已知集合A={x|a﹣1<x<a+2},函数y=
的定义域是集合B
(Ⅰ)若a=1,求A∪B
(Ⅱ)若A∩B=∅,求实数a的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/3/18/1572546070380544/1572546076000256/STEM/c56e18830a7046bebc965ec378a04f80.png)
(Ⅰ)若a=1,求A∪B
(Ⅱ)若A∩B=∅,求实数a的取值范围.
您最近一年使用:0次
6 . 函数
的定义域为集合
,
,
.
(1)求集合
及
;
(2)若
,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572542587281408/1572542593400832/STEM/4461c364ef394f9a85014e2404544358.png)
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572542587281408/1572542593400832/STEM/9959d6a839894328b3811e491b771b9f.png)
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572542587281408/1572542593400832/STEM/cb11ca5fcb6e4341b90eab980bff0c37.png)
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572542587281408/1572542593400832/STEM/0159d13baabf4e26b28c0e78cdc83495.png)
(1)求集合
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572542587281408/1572542593400832/STEM/9959d6a839894328b3811e491b771b9f.png)
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572542587281408/1572542593400832/STEM/ecd05f237e554b6fb3889c9d0f7a900f.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572542587281408/1572542593400832/STEM/457d052105c043389f986a2ccc546474.png)
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572542587281408/1572542593400832/STEM/e5f1972099d643e38e60760066df14d7.png)
您最近一年使用:0次
解题方法
7 . 已知集合A={x|y=lg(1﹣x)},B是函数f(x)=﹣x2+2x+m(m∈R)的值域.
(1)分别用区间表示集合A,B;
(2)当A∩B=A时,求m的取值范围.
(1)分别用区间表示集合A,B;
(2)当A∩B=A时,求m的取值范围.
您最近一年使用:0次
解题方法
8 . 已知函数
,定义域为
,求函数
的最值,并指出
取得最值时相应自变量
的取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c9806dd248ddc1703b9c3e838a789b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8349ae5fe493bcd43ce29004d1fdf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af443217a2c23a05754bf65a5adf5c7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
13-14高三上·山东潍坊·阶段练习
9 . 设命题
:函数
的定义域为
;命题
对一切的实数
恒成立,如果命题“
且
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f52d5261ab39ad06c1dd04d3a1a216f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d78cb5d3673da0d6cd173f64b914ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
9-10高二下·辽宁·阶段练习
10 . 对于在区间 [ m,n ] 上有意义的两个函数
与
,如果对任意
,均有
,则称
与
在 [ m,n ] 上是友好的,否则称
与
在 [ m,n ]是不友好的.现有两个函数
与
(a > 0且
),给定区间
.
(1)若
与
在给定区间
上都有意义,求a的取值范围;
(2)讨论
与
在给定区间
上是否友好.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8493c010ed4ff2e801a17ce9edd1ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8493c010ed4ff2e801a17ce9edd1ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea5502c82b978154b5a9f07eb624150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c2ac5a9ecd2835dc49f9c2b097de12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d281e837adac1f8bf88a944e106aa305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ac0937a6ef09d8fa79cf5dd4b3b8f0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebef85c05f6d84ceb67d92abf77ba2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ace630100e64ed290d82936ad249c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ac0937a6ef09d8fa79cf5dd4b3b8f0.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebef85c05f6d84ceb67d92abf77ba2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ace630100e64ed290d82936ad249c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ac0937a6ef09d8fa79cf5dd4b3b8f0.png)
您最近一年使用:0次