名校
解题方法
1 . 已知命题
关于x的不等式
的解集是
;命题
双曲线
的离心率不小于
.若命题p和q都是真命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d1cfd50c60e592b8a31d2a0c7633134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4dfb1fb40be8965cbeee29153e42db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
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2020-07-05更新
|
211次组卷
|
2卷引用:福建省龙岩市上杭县第一中学2020-2021学年高二上学期数学期末复习试题
解题方法
2 . 设不等式
的解集为
, 关于
的不等式
(
为常数)的解集为
, 若
,则
的取值范围是__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57032c1466f18d9750637c3a00f6a316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8299782307909d80180b90a0f06e8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75fb7391a377f3797ebf79730d07d0ee.png)
(1)求不等式
的解集;
(2)若关于
的不等式
的解集为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75fb7391a377f3797ebf79730d07d0ee.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d4e9b5e2013602a77d646a2c181e67.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef20b6f986610b94d722bde745027b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-04-11更新
|
146次组卷
|
3卷引用:福建省莆田第二十四中学2019-2020学年高二下学期返校测试数学(文)试题
名校
4 . 若不等式
的解集为R,实数
的取值范围是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7649a7550ce73c98855f5150ecb91e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-10-24更新
|
284次组卷
|
3卷引用:福建省莆田市莆田第七中学2019-2020学年高二上学期期中数学试题
5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec402b6a5d8f49fa31c391ca74a2a48c.png)
(Ⅰ)解关于
的不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23df705d251c27c8c691279d26f344de.png)
(Ⅱ)若
的解集非空,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec402b6a5d8f49fa31c391ca74a2a48c.png)
(Ⅰ)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23df705d251c27c8c691279d26f344de.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a600b1187fd07dd0ef3a51b6157edc35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
6 . 命题
:不等式
的解集是R.
命题
:函数
在定义域内是增函数.
(Ⅰ)若
为真命题,求
的取值范围;
(Ⅱ)若
为假命题,
为真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750481d1a2fac3154ebe63664adebf4d.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c58f3f8ee872768316395996779ce529.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.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
7 . 选修4-5:不等式选讲
已知函数
.
(1)求不等式
的解集;
(2)若
,且直线
与函数
的图像可以围成一个三角形,求
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1e737b375f3102c2d9fecc64bb6b96.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc7e9d2e2128229001839a2ed1d94c5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39efe1e6096b9939a8ca26b5efd9641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259535f834f003f6e787de29d02993fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2017-04-28更新
|
687次组卷
|
5卷引用:福建省莆田第一中学2016-2017学年高二下学期期中考试数学(文)试题
8 . 不等式
的解集是
, 则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf57e714e32f6f5fd211ff6302fe8c5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64060803ee2af6d9052c9bfabc506d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 命题
:
;命题
:
解集非空,若
假,
假,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15645e9603e13ffd6ff8ba41fc3c2a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/917b258c62c1d203006413630bfaa05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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12-13高二下·福建三明·阶段练习
10 . 在R上定义运算⊙:x⊙y=
,若关于x的不等式(x-a)⊙(x+1-a)>0的解集是集合{x|-2≤x≤2,x∈R}的子集,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e64d73aa59ad36215728df19a0b1629.png)
A.-2≤a≤2 | B.-1≤a≤1 | C.-2≤a≤1 | D.1≤a≤2 |
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