名校
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328a202ab753f087f5850bc3c39f8c3d.png)
(1)若
在
上的最大值为
,求
的值;
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328a202ab753f087f5850bc3c39f8c3d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
您最近一年使用:0次
名校
2 . 已知函数
,且
,对任意实数
,
成立.
(1)求函数
的解析式;
(2)若
,解关于
的不等式
;
(3)求最大的
使得存在
,只需
,就有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1915a1c8f18b3f42ce08d8f82af90708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a431537df789febf4bc45e3dc23cefaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647ffc3291900b80c4c5460e49747c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffae95897e0ee93723b9ce43f6fa8dd.png)
(3)求最大的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee74315c62da704465b46d9baaf26c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2425497f56c3bdc9a8d7cde18e41d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfc7d3c0bbc528e156df4d81c68cd7a.png)
您最近一年使用:0次
名校
3 . 已知二次函数
,若不等式
的解集为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/740a1b0dee8834b12aa85a8481e539e9.png)
(1)解关于
的不等式,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03a70014eea31bbcad9138f23e008a8.png)
(2)已知实数
,且关于
的函数
的最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69c5fcb66c05962be4c4dafbee298d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/740a1b0dee8834b12aa85a8481e539e9.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03a70014eea31bbcad9138f23e008a8.png)
(2)已知实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882b660047bb6ded500cedba57958e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8381272d5b9fe4582aa8c520611c44b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-11-08更新
|
1342次组卷
|
5卷引用:上海市松江二中2018-2019学年高一上学期期末数学试题
名校
4 . 已知二次函数
,若不等式
的解集为
.
(1)解关于x的不等式:
;
(2)是否存在实数
,使得关于x的函数
(
)的最小值为-4?若存在,求a的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b56fff5e37834c7aaba3edfff0824507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39a50d5b4c97e1cb43e62553741622e.png)
(1)解关于x的不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/748bf2454664dee9f78cd7bc59d4e156.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e436ea3ddcd13e69171135f0ff8e934a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812c41818daf7b63d0b6e24e8187d897.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53224898de85a85058ad336490bbbaa7.png)
您最近一年使用:0次
2019-12-11更新
|
250次组卷
|
3卷引用:上海市第二中学2019-2020学年高三上学期期中数学试题
名校
解题方法
5 . 已知函数
,
.
(1)解关于
的不等式
.
(2)当
时,若存在
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14949ca95153272250adf99db45954db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5e026a565c24617edc36f82fd85e63.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbf688ee44585d9d11be06435ab2de5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2367b48e8f6dbbfe3dd14f6eab8238a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-02-29更新
|
363次组卷
|
2卷引用:福建省厦门市双十中学2019-2020学年高一上学期期中数学试题