名校
解题方法
1 . 已知函数
,若
对一切非零实数
均成立,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3f58722394cad3df7234b543be4587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd87968e7c15ff021e1b74aeeb97266a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-06-10更新
|
214次组卷
|
2卷引用:湖南省长郡、雅礼、一中、附中联合编审名校卷2023届高三下学期月考八文科数学试题(全国卷)
名校
解题方法
2 . 已知函数
(
且
),若对任意
,
,则实数a的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a2214b024b083435e07631e261d524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2cbbf4d5b8ecbfccc5de39781396d07.png)
您最近一年使用:0次
2023-06-07更新
|
681次组卷
|
3卷引用:湖南省长沙市长郡中学2023届高三高考前保温卷(1)数学试题
名校
解题方法
3 . 对于函数
,
,若存在实数k使得函数
,那么称函数
为
,
的k积函数.
(1)设函数
,
,
,试判断
是否为
,
的k积函数?若是,请求出k的值;若不是,请说明理由;
(2)设函数
(其中
,
,
),且函数
图象的最低点坐标为
,若函数
,
是
,
的1积函数,且对于任意实数
,
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca237244f6c3c23cc93a46b18bc0e4fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcf249f5d04d995439c262347ec8b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e5399795b66d26836cd4b15b67d84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c9f53354147c82ec29609d8ab1e04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511a368692de27c58ec48ce968de4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3814f756584d8016996add99998feec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58427d5aa7deeca47c8789241913f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8ada0783e66601b263cdb21149e33f.png)
您最近一年使用:0次
2023-05-03更新
|
216次组卷
|
2卷引用:湖南省多校2022-2023学年高一下学期期中联考数学试题
名校
解题方法
4 . 已知函数
,若
,
恒成立,则实数t的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c237e2f130acb19615d5646c9565a99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfe951c0b4ddd9d007a147bef01a0c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
您最近一年使用:0次
2023-05-03更新
|
719次组卷
|
4卷引用:湖南省多校2022-2023学年高一下学期期中联考数学试题
名校
解题方法
5 . 已知关于x的函数
,其中
.
(1)当
时,求
的值域;
(2)若当
时,函数
的图象总在直线
的上方,
为整数,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc19a27beaa9213e40288111d469af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e87088da41685cc8d433fbbe0e18d6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3cf0f585938ede9eca890a6eb326d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c0dfcda9ae3994fc00ad787935d8475.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d0aa9412dd7caf42cc71520e282328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解题方法
6 . 若函数
和
在区间
上的单调性相同,则把区间
叫做
的“稳定区间”.已知区间
为函数
的“稳定区间”,则实数
的可能取值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc55062abcda348cb4cf9837e2ab936d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede949a2fe7bf9f1f98f5457d408b41d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d803c8403d0b9d77f3fd57c64e918149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 已知函数
,且
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b778f93b24590eed07a947bbe5292f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a42fff822c5f61fec5fcd5c8e86941e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec65a2bec3d4296c613a80b3ae41d5e.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-04-22更新
|
621次组卷
|
2卷引用:湖南省长沙市雅礼中学2022-2023学年高一下学期期中数学试题
名校
8 . 已知函数
的最小值为
.
(1)求
的解析式;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efbf298b0214255bb0a1f879cafd2b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d0a231d50a19c87dbf3f1d7210a3799.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d0a231d50a19c87dbf3f1d7210a3799.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48b0d8a128996477ad48d8611c5ddf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-04-18更新
|
1475次组卷
|
3卷引用:湖南省湖湘教育三新探索协作体2022-2023学年高一下学期4月期中联考数学试题
名校
9 . 设
(
,
).
(1)当
,
时,记
的展开式中
的系数为
(
,1,2,3,4,5,6,8),求
的值;
(2)若
的展开式中
的系数为20,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa260567287aa19e0b23ba253572c8bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6b18b109a656b62fb173680ae99ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd8c769b450c90eb29c2fded6c3de09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1487f4b936e5f924fa6b1ea298e302f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab5a181478e9c2307d9a934d891621d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0be44077d42cfffece905b1af13e000.png)
您最近一年使用:0次
2023-04-15更新
|
159次组卷
|
2卷引用:湖南省多校2022-2023学年高二下学期期中联考数学试题
10 . 定义在
上的函数
满足
,且当
时,
;当
时,
;当
时,
.若对
,都有
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c2fe1072a83e6f342bd868fb0a1578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/332c16477a48f62ef66eda7f0d13ed7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21b60b8b5fffe78a4fe3aed643ed925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a8d578ace45420869dda45ad3b66c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610cd019ed65786fab5480462802f555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6a3cc25ae28eb0bc1f41f08706f019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8450d9e13cbf90a6050fb300741b661a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次