名校
解题方法
1 . 已知函数
,
,若对任意的
,总存在
,使得
成立,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64c95e9d965cab2bd444b343b1e7548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a122beff1ce00a9c0d063a942bdff7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f797767eba68f29f8865ac2e0c0127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e4c91f4e75c07fe50ba226b419c5e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-11-24更新
|
804次组卷
|
3卷引用:海南省琼海市嘉积中学2022- 2023学年高一上学期第二次月考(期中)数学试题
名校
2 . 已知函数
,记函数
(其中
)的4个零点分别为
,
,
,
,且
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dda22547f959d84d327bd9d42f8e1ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d344f1f34ccddbf69d7fdd7180e21383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e84dbb03e8c627ff11d5c7aeb0c8b5.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/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f147b3d6e56ed84c1dee522850e2a0be.png)
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2022-11-24更新
|
937次组卷
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5卷引用:海南华侨中学2022-2023学年高一上学期第二次阶段考数学试题
名校
3 . 求值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8d8a234a2440f19d3fd11d07e66f39.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf6c98baa0d3e7d7ddaab8aeea55e7c9.png)
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2022-11-22更新
|
1794次组卷
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10卷引用:海南华侨中学2022-2023学年高一上学期第二次阶段考数学试题
海南华侨中学2022-2023学年高一上学期第二次阶段考数学试题 江苏省盐城市阜宁中学2022-2023学年高一衔接班上学期第一次学情调研考试数学试题广东省广州市七中2022-2023学年高一上学期期中数学试题福建省三明第一中学2022-2023学年高一上学期期中考试数学试题江苏省南京市第十三中学2022-2023学年高一上学期11月月考数学试题安徽省芜湖市安徽师范大学附属中学2022-2023学年高一上学期12月月考数学试题江西省丰城中学2022-2023学年高一上学期第三次段考数学试题(已下线)第12讲 对数与对数函数(13大考点)(1)(已下线)4.2 对数(2)-【帮课堂】(苏教版2019必修第一册)专题02 期中真题精选【考题猜想】-期中考点大串讲(苏教版2019必修第一册)
名校
4 . 已知定义域为
的函数
.
(1)当
时,试讨论函数
的单调性;
(2)若函数
在区间
上单调递减,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c5441a52876cdb64924868bd7ebfd8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686e06217cd7f643e1e60ab05ff2d58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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5 . 如果两个函数的对应关系相同,值域相同,但定义域不同,则称这两个函数为一组海中函数,请写出一组海中函数:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
_________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74a01d149399210cc1ce429a5b2b20e.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74a01d149399210cc1ce429a5b2b20e.png)
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名校
6 . 对任意两个实数a,b,定义
,若
,
,下列关于函数
的说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9e0f7fd210c8ebc45692f5be03db7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad8ca0dc9a54c3346d495bb66740b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c4473159277aed64ea96c4af087954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a5ed61ee16595684717cf82790984a.png)
A.函数![]() | B.方程![]() |
C.函数![]() | D.函数![]() |
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2022-11-17更新
|
569次组卷
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6卷引用:海南华侨中学2022-2023学年高一上学期第二次阶段考数学试题
解题方法
7 . 已知函数
对
,
,都有
,当
时,
,且
.
(1)判断函数
在
上的奇偶性并证明;
(2)判断函数
在
上的单调性并证明;
(3)当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6593a700bf3e89107556454666b787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cccdff49c3efe6e7a7dbbf69db9319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91288f3376f00e3e4e37376c14f5c81d.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18372521869775c693a96dfef1c54707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
8 . (1)已知
,求
的最小值;
(2)已知
,
,
,求
的最小值,及此时
,
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9173f5c3e7809dfd0db355df0225811.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9482173f803db46ce48a5ae729498d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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9 . 当
时,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da6d82d173ad18cc040e94c925b5ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4d00dbfc0a0d730e7b91ed5dbec4a59.png)
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2022-11-17更新
|
472次组卷
|
3卷引用:海南省海口中学2022-2023学年高一上学期期中检测数学试题
名校
解题方法
10 . 已知
为定义在R上的奇函数,且对任意的非负数
,有
,且
,若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d43790ead7ec1084a3940fee3b7fa7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edce3d971ef7faf53aac51504f47fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40b089cc319935e080b492f1340e752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-11-17更新
|
690次组卷
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4卷引用:海南省海口中学2022-2023学年高一上学期期中检测数学试题