名校
1 . 已知函数
的两个零点为
,
,函数
的两个零点为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec58ea78113649c6b1111fff31e37a9.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b50deface7d679ccdc022fe94aee78ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97d25f2eb99d73d40af54371f116d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec58ea78113649c6b1111fff31e37a9.png)
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2023-03-22更新
|
2756次组卷
|
8卷引用:福建省龙岩市上杭县第一中学2024届高三上学期12月月考数学试题
福建省龙岩市上杭县第一中学2024届高三上学期12月月考数学试题江苏省苏锡常镇四市2023届高三下学期3月教学情况调研(一)数学试题专题04指对幂函数与函数零点问题广东省深圳市高级中学(集团)2022-2023学年高二下学期期中数学试题(已下线)江苏省苏锡常镇四市2023届高三下学期3月教学情况调研(一)数学试题变式题11-16山东省日照市2022-2023学年高二下学期期末校际联合考试数学试题(已下线)模块一 专题2 函数的应用(人教A)1(已下线)专题05 指数函数与函数的应用2-期末复习重难培优与单元检测(人教A版2019)
名校
2 . 已知
,则a,b,c的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90aa1963f70de931519f0bbfb2efde35.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-03-20更新
|
673次组卷
|
2卷引用:福建省龙岩第一中学2023届高三三模数学试题
3 . 已知函数
,其中
,且
.
(1)当
时,判断函数
零点的个数;
(2)设函数
的定义域为D,若
均为某一三角形的三边长,则称
为“可构造三角形函数”.已知函数
是“可构造三角形函数”,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e88b4a8533780b76452f531da25d6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3c2be7482719651bcf491949681e05.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946d6f9515a3ef71fc816805ff82527d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e24d37710a058eabb52fb7fe7fa22f4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
4 . 已知函数
,若在定义域内存在实数x,使得
,则称函数
为定义域上的局部奇函数.若函数
是
上的局部奇函数,则实数m的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d88a41a8c39757a1bbcc8ae9052c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df6b355d7b11a9b9340d7192535cdd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30a5498bb0236a2bb04ae38329b408.png)
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解题方法
5 . 已知函数
的图象过点
和点
,且图象无限接近直线
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b532ca654defdcbdd0876e4b3240220c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a2b8b43e1fe82fc439d145e91b860c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e30645f36e8628b9e25d53598d5174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
A.![]() | B.函数![]() ![]() ![]() |
C.函数![]() | D.方程![]() ![]() |
您最近一年使用:0次
6 . 如图,
,
分别为椭圆
的左、右焦点,A,C在椭圆上且关于原点对称(点A在第一象限),延长
交椭圆于点B,若
,则直线AC的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c738d79a58541893b80507871c348f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e85789cf37ec210fc1c29e0ea48422.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/13/fc090eba-c3de-49a2-9b75-51d3844e9297.png?resizew=180)
您最近一年使用:0次
名校
7 . 《判定树理论导引》中提到“1”型弱对称函数:函数
定义域为
,且满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2dd2932c2f2d8ba3327da0456e3929.png)
(1)若
是“1”型弱对称函数,求
的值;
(2)若
恰有99个零点分别记作
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2dd2932c2f2d8ba3327da0456e3929.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b414e5c9fca164d38b4cf6b6b98fbbf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e89bfaa29d8a000cda88c446970e5df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcac93915c7c935f835780ccca54ae1f.png)
您最近一年使用:0次
2023-02-15更新
|
315次组卷
|
2卷引用:福建省龙岩市上杭县第一中学2024届高三第一次月考数学试题
解题方法
8 . 已知
为双曲线
的右焦点,点
在
上.
(1)若直线
,
的斜率之和为
,求直线
的斜率;
(2)若
,过
的直线
与
的两条渐近线分别交于
,
两点,
,过
且斜率为
的直线与过
且斜率为
的直线交于点
,若
,求证:
,
,
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14436636ec6a7aec09cb63cecf6e970d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ec7b7b40543a34acf2b162e73243dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0814e64292eaf546f7f94b7685d020e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ab569b7ea339dfb23f67ba78a8caa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47153fdd73c0661fa460130082e30929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7158a68c77edaf69b4ceeb60dfcffc81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
9 . 记
是各项均为正数的数列
的前n项和,
.数列
满足
,且
则下列选项错误 的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fc336b4a83bf6d66c4afcc431597f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83fde28e10c6c6fb6b4abdf08bd71adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f9ef894d148f27df71be78d647d7b6.png)
A.![]() |
B.![]() |
C.数列![]() ![]() |
D.![]() |
您最近一年使用:0次
2023-02-14更新
|
1175次组卷
|
5卷引用:福建省龙岩市2022-2023学年高二上学期期末教学质量检查数学试题
福建省龙岩市2022-2023学年高二上学期期末教学质量检查数学试题(已下线)专题11 数列前n项和的求法 微点5 裂项相消法求和(三)天津市滨海新区塘沽第一中学2023-2024学年高二上学期期末数学练习9福建省新高考2023-2024学年高二上学期期末模拟数学试题(已下线)专题9 数列放缩求范围
解题方法
10 . 已知
.
(1)若
,求f(x)在
的最大值;
(2)若
,证明:
在
上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe4cf7d38e946da35c22401b5a1d653.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c974521600011cfdda7cbf635aef6d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca1e2f4556d14d20dfeaef59e20c2e02.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
您最近一年使用:0次