解题方法
1 . 已知二次函数
,
.
(1)若函数
是偶函数,求实数
的值;
(2)若
,求不等式
的解集;
(3)若函数
在区间
上具有单调性,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4bc22c9795dd0dc317cc6ab96550f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0530e48690edc3429da2d23c25151296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
2 . 已知函数
的定义域为集合
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df52c5c9316873f57567eb36a0ade4e.png)
(1)若全集
,求:
;
(2)若
,求:实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0610b5a1e4fbcc2589d746bce61981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df52c5c9316873f57567eb36a0ade4e.png)
(1)若全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebc42859863877e0683532a4cd92ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d1e9e989d6d47a270095d9072290097.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
3 . 给定函数
,
,
.
(1)求不等式
的解集;
(2)
,用
表示
,
中的最大者,记为
,用解析法表示函数
;
(3)设函数
在
上的最小值为
,求函数
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26af862ac8e4e2fe03204b0463a7a789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34d0dcc6c8d3ec910b04cd20cba5be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.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/316f701027f4bd38abca039b3499b498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48222eea9755a7c7635578031a573bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b36da3b4cc0a0cc408ef324b04c9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b36da3b4cc0a0cc408ef324b04c9d4.png)
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名校
4 . 已知函数
.
(1)若关于
的不等式
解集为
,求关于
的不等式
的解集;
(2)求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42b47fa7e2bc66fa1da79767cbcff9c.png)
(1)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e433d8cb4c0416cc82aac3b5d2bcdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773b2c9473cb275bed0c93061606e29f.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535eefc390a168a27c00550044db034c.png)
您最近一年使用:0次
名校
解题方法
5 . 设函数
.
(1)求关于x的不等式
的解集;
(2)若对任意的
,
恒成立,求实数a的取值范围;
(3)若
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e082e154a42465c8810ae25f6b3fdff1.png)
(1)求关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4d9f036ff9696aa178435630f1badb.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833bd7d3b6627d362f4df8c3d3e62254.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c1955d880af7a2d046da8627a6f527.png)
您最近一年使用:0次
名校
解题方法
6 . 已知全集
,集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
(1)当
时,求
与
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c063a2654d31c915b67890a82426059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd53a79a58c7e7ec09b426d2a20fef9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
您最近一年使用:0次
2022-12-17更新
|
293次组卷
|
2卷引用:天津市宁河区芦台第一中学2022-2023学年高一上学期期末数学试题
解题方法
7 . 已知函数
.
(1)若
,求
的解集.
(2)若
对任意的
恒成立,求实数
的取值范围.
(3)
,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a80d2c455352e09ba4c07500db00c7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bf74e4eb8ca4fa2829e4576e4023f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f388d0d6565e666b2744a69721996b9a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bee3060ba953107cdf320310f05286a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a6e5b8aaed692d8be521e82df5a230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848c33e3506416358d9f0d3ee66f67a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b0bb7204343aa909c4b78f4b92297e.png)
您最近一年使用:0次
2022-10-25更新
|
522次组卷
|
2卷引用:天津市新四区示范校2019-2020学年高二上学期期末联考数学试题
解题方法
8 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5145f003d1522c2659f13288cf1c1596.png)
(1)当
时,求集合
;
(2)若
,求实数
的取值范围;
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5145f003d1522c2659f13288cf1c1596.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf7b339246d52b29603d33c152f44de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9795cfcb301e51b2f628ff95d7c85c4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97b89b661205708783c517deaa3db39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b4a0e6a36a55f3c64af3f773f05f8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
您最近一年使用:0次
9 . (1)求不等式
的解集(用集合或区间表示);
(2)求不等式
的解集(用集合或区间表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8bbf4de40e5d4f72a2fe62ff10c31f.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e131db7391bc2b6baaccaca285ab64ae.png)
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名校
解题方法
10 . 设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a853f496994fa672f764fb99f3efef7.png)
(1)分别求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636e34f4381b4e65e478e42a3c654c30.png)
(2)若
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a853f496994fa672f764fb99f3efef7.png)
(1)分别求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636e34f4381b4e65e478e42a3c654c30.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e968937d457d9e2237b401077ff224a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-12-21更新
|
2608次组卷
|
16卷引用:天津市西青区2021-2022学年高一上学期期末数学试题
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