1 . 已知函数
是定义在R上的奇函数,且当
时,
.
(1)求函数
的解析式;
(2)若关于x的方程
有3个不同的实数根,记为
,
,
(
),且
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ecc1e0092de78702b3d4843a1fabe9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b058f0a0ccb1440f02717234fda5664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f090881606dd3fa86f708d3cabe14d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2 . 已知函数
在区间
上有且仅有4条对称轴,则下面给出的结论中,正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c845de45921aa2aadbf03c1c1b228bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
A.![]() ![]() |
B.![]() |
C.![]() ![]() |
D.![]() ![]() |
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解题方法
3 . 若函数
满足:对任意
,则称
为“
函数”.
(1)判断
是不是
函数(直接写出结论);
(2)已在函数
是
函数,且当
时,
.求
在
的解析式;
(3)在(2)的条件下,
时,关于
的方程
(
为常数)有解,求该方程所有解的和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a8a845744f91c1ca0772a60989415c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c1fe3f8c0ddaa9a5291f049ecc873da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)已在函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc5e806b6f4d556bbd8039c6936e773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1044dcf4fba551e1b7fbfeb895ea08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26bf9a635dd1cea0cd6f0495c292f1f7.png)
(3)在(2)的条件下,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505a8a32e68077195084c51eb5b03c5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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2023-12-19更新
|
457次组卷
|
2卷引用:浙江省杭州学军中学(紫金港校区)2023-2024学年高一上学期12月月考数学试题
4 . 已知函数
,其中
为常数.
(1)当
时,求函数
的单调区间;
(2)当
时,存在2023个不同的实数
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2598ef41d7eff2388408b405ebce0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb0e6507c547d80721f03d411ad9b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ad2203ef6ef4b876009e2d22a04a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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5 . 已知函数
,(
,a为常数).
(1)讨论函数
的奇偶性;
(2)若函数
有3个零点,求实数a的取值范围;
(3)记
,若
与
在
有两个互异的交点
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a39a5005c53d0e72546c0dfda5fdd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab409bb25958c2f01c73e26042c6f51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b348ef9ae62245f05324c52dc03e53.png)
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6 . 定义1:通常我们把一个以集合作为元素的集合称为族(collection).
定义2:集合
上的一个拓扑(topology)乃是
的子集为元素的一个族
,它满足以下条件:(1)
和
在
中;(2)
的任意子集的元素的并在
中;(3)
的任意有限子集的元素的交在
中.
(1)族
,族
,判断族
与族
是否为集合
的拓扑;
(2)设有限集
为全集
(i)证明:
;
(ii)族
为集合
上的一个拓扑,证明:由族
所有元素的补集构成的族
为集合
上的一个拓扑.
定义2:集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(1)族
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee5abf02995c6ac2135347a663cdb0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92ee8109b0f949f8946814f0a69e8b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
(2)设有限集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a75d83dc31194727f441b79eee9cfc.png)
(ii)族
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9350d17e3ce2d85030a0076b53174a96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
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7 . 已知椭圆C:
在左、右焦点
,且经过点
,点M为椭圆C的右顶点,直线
与椭圆C交于A,B(异于点M)两点.
(1)求椭圆C的标准方程;
(2)若直线
的斜率1,求
的面积最大值(O为坐标原点);
(3)若以AB为直径的圆过点M,求证直线
过定点,并求定点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491bd5bfebcbc2975c2f37cd72f08680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10f5be271d5e18347e2792d348e5411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df037e97f9d6cd7432fa43ad8f80225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)求椭圆C的标准方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(3)若以AB为直径的圆过点M,求证直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
8 . 已知椭圆
的长轴长为
,过坐标原点的直线交椭圆于
两点,点
在第一象限,
轴,垂足为
,连结
并延长交椭圆于点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0323cada05d84071018495e21d156ff3.png)
(1)求椭圆的标准方程;
(2)证明:
是直角三角形;
(3)求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae95e96ce568efee50145f8d017353df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf3d566704b44ea4ef1f99c37bd46902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0323cada05d84071018495e21d156ff3.png)
(1)求椭圆的标准方程;
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a0a6891259bf27be2280c6b6ba7430.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a0a6891259bf27be2280c6b6ba7430.png)
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解题方法
9 . 已知函数
的定义域为
,且满足
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad18ff9e2401c397529e53edbddb0b1.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
您最近一年使用:0次
2023-12-14更新
|
1114次组卷
|
5卷引用:浙江省宁波市镇海中学2023-2024学年高一上学期11月期中考试数学试题
浙江省宁波市镇海中学2023-2024学年高一上学期11月期中考试数学试题(已下线)第四章:指数函数与对数函数章末综合检测卷-【题型分类归纳】(人教A版2019必修第一册)(已下线)期末考试押题卷一(考试范围:苏教版2019必修第一册)-【帮课堂】(苏教版2019必修第一册)(已下线)1.1利用函数性质判定方程解的存在性-同步精品课堂(北师大版2019必修第一册)(已下线)模块四 专题3 题型突破篇 小题满分挑战练(3)期末终极研习室(2023-2024学年第一学期)高一人教A版
名校
10 . 函数
,以下四个结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff8f1c494458b8baf13d7d488b87c5e.png)
A.![]() ![]() |
B.函数![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.若规定![]() ![]() ![]() ![]() |
D.对任意的![]() ![]() ![]() ![]() ![]() |
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