1 . 设动直线
与函数
,
的图象分别交于点
,已知
,则
的最小值与最大值之积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca1fc40e64ec427b41693c21c20890bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c982eeb9b2a3d426a7aa70a0d3a91c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914a49b0d7aedc593a3e87fbab7c31ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f0c11fcf4c537bdf8982b91359f098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知函数
,点
、
是函数
图象上不同的两个点,设
为坐标原点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541ec913428703d4cae2476b147ce1a3.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/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63711c480473cbc27a06cdb82ddd000.png)
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3 . 已知函数
,若
存在两个不相等的实数根
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f5f090340f798e2e4fb4331efde99d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
A.e | B.2e | C.![]() | D.![]() |
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解题方法
4 . 数列
的前n项和为
,若存在正整数r,t,且
,使得
,
同时则称数列
为“
数列”.
(1)若首项为3,公差为d的等差数列
是“
数列”,求d的值;
(2)已知数列
为等比数列,公比为q.
①若数列
为“
数列”,
,求q的值;
②若数列
为“
数列”,
,求证:r为奇数,t为偶数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c23407e3cdc55f7e4df2c8cf335396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22fc7ac696347d1351c4c926e9cbdb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e0ce432061612566bbcf7486175e19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d8d0282a3b5a490173633dce60baf4.png)
(1)若首项为3,公差为d的等差数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf129ce75408db66c583363d51675992.png)
(2)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
①若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf129ce75408db66c583363d51675992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4266901bd209723d88b9e7677a3b25.png)
②若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d8d0282a3b5a490173633dce60baf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59d0c0e59eed9f4b8a51616b9978df3.png)
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5 . 已知甲口袋有
个红球和2个白球,乙口袋有
个红球和2个白球,小明从甲口袋有放回地连续摸球2次,每次摸出一个球,然后再从乙口袋有放回地连续摸球2次,每次摸出一个球.
(1)当
时,
(i)求小明4次摸球中,至少摸出1个白球的概率;
(ii)设小明4次摸球中,摸出白球的个数为
,求
的数学期望;
(2)当
时,设小明4次摸球中,恰有3次摸出红球的概率为
,则当
为何值时,
最大?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0272c60cbea81dd30c4b5690ed9fd31c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc0db1f5bc1c43e4bd7231c7fe63d11.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8cc04da8dc0c2ae5bea4b8904567fd5.png)
(i)求小明4次摸球中,至少摸出1个白球的概率;
(ii)设小明4次摸球中,摸出白球的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a4480988244a9d04ec293975db2cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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6 . 已知函数
,其中e为自然对数的底数.
(1)若函数
在
上有2个极值点,求a的取值范围;
(2)设函数
,
),证明:
的所有零点之和大于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ffabb66b55e415c2c864685fa5223d2.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef53a8a0375569abd516895e30fa350.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddea382d8bece5514a9cbd6a225667e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2d7c958e99bcd9d7f251c19ee3544.png)
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7 . 函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cec4155e87d372a443f337bf62f2af.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.对任意![]() ![]() ![]() |
D.存在![]() ![]() ![]() |
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2024-06-08更新
|
214次组卷
|
7卷引用:山东师范大学附属中学2022届高三下学期高考考前检测(打靶题)数学试题
山东师范大学附属中学2022届高三下学期高考考前检测(打靶题)数学试题(已下线)专题09导数与函数的单调性-2022年新高三数学暑假自学课精讲精练(已下线)第40练 导数在研究函数中的应用河北省唐县第一中学2022-2023学年高二上学期9月月考数学试题福建省三明第一中学2023届高三上学期第二次月考数学试题辽宁省沈阳市东北育才学校科学高中部2023-2024学年高二下学期期中考试数学试题江西省宜春市丰城中学2023-2024学年高一下学期第三次段考(5月月考)数学试题
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8 . 已知函数
,若
,则a,b,c的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/558595e25f5ad4a2581cd9e1bcb67abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53ef508a4d22bfe22f6af7d1463c9e7f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-08更新
|
545次组卷
|
5卷引用:山西省2024届高三下学期适应性考试二数学试题
山西省2024届高三下学期适应性考试二数学试题海南省部分学校2024届高三下学期高考考前押题(二)数学试题(已下线)【人教A版(2019)】高二下学期期末模拟测试B卷江西省宜春市丰城中学2023-2024学年高一下学期第三次段考(5月月考)数学试题(已下线)函数-综合测试卷A卷
9 . 我们知道,在平面内取定单位正交基底建立坐标系后,任意一个平面向量,都可以用二元有序实数对
表示.平面向量又称为二维向量.一般地,n元有序实数组
称为n维向量,它是二维向量的推广.类似二维向量,对于n维向量,也可定义两个向量的数量积、向量的长度(模)等:设
,
,则
;
.已知向量
满足
,向量
满足
.
(1)求
的值;
(2)若
,其中
,当
且
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39c2af42141367e6e9ff0296c31daa7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b3b354facacd72bc68da6ac07be453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48d974578eb15ca117e0cb1b59788d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99aa60676891adca75eac086182a15c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2581496116ddfba6dd03722fd771d5a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5babafd9f4e5c3c222ba25a3de66794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48d974578eb15ca117e0cb1b59788d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7cb2f5c0569962cd7c1026f388cb661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99aa60676891adca75eac086182a15c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4492fb816272cd60cf3456c6a064020e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa3e5481ce1f11ea4cb1d1ddc71413.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301fa5679316c282923735aff9285559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ac252e9126ab540c0102b941f0ee42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74cac554f22f3655ef6691b2ef821eac.png)
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10 . 已知函数
.
(1)若
在
处取得极值,求
的极值;
(2)讨论
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b7781db4cd08d80b1173906f65cd3c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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