名校
解题方法
1 . 已知函数
.
(1)若
,求函数
的值域;
(2)若函数
在区间
上有且仅有两个零点,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0ff0ba17d28ef15c87d1c667ea865f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd65d7c5e979706d391163aee2c18cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c459c5d37f30210330dbeaf49f5662f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450c77332726cd5306359c66621aa77b.png)
您最近一年使用:0次
名校
2 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c5a6dfc32da17a3c7c363ec5991c8f.png)
(1)画出函数的图象;
(2)![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/fb668f7e-37b3-47cc-8f6d-82ccf835174b.png?resizew=192)
当
时,求函数的值域(直接写出值域,不要过程).
(3)若
有四个不相等的实数根,求
的取值范围.(直接写出结果,不要求过程)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c5a6dfc32da17a3c7c363ec5991c8f.png)
(1)画出函数的图象;
(2)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/fb668f7e-37b3-47cc-8f6d-82ccf835174b.png?resizew=192)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd04947978c9ef82e651a52f848c653c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da3023b0765cfb1b268e29e1d01de0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-12-02更新
|
374次组卷
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2卷引用:广东省2024届高三第一次学业水平考试(小高考)数学模拟试题(三)
2023·全国·模拟预测
名校
3 . 已知函数
有两个零点.
(1)求实数a的取值范围;
(2)设
的两个零点分别为
,证明:
;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523a19c4c490a8718971eb7b707bf6be.png)
(1)求实数a的取值范围;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd103da32c5407c309c502837325779f.png)
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2023-11-30更新
|
777次组卷
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3卷引用:广东省珠海市第一中学2024届高三上学期期末模拟数学试题
名校
4 . 已知函数
,对于任意的
,都有
,当
时,
,且
.
(1)求
,
的值;
(2)当
时,求函数
的最大值和最小值;
(3)设函数
,若方程
有4个不同的解,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0887337b2dd1eeaf6590b8793a720e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf59c5075f9e6fdf3782b6c0e528237.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce1876cd7a0b6336da2196c706a20cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3819d11c74180ad9228008ddbb4ecbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f168b6811f1da5f09db1d9984ad8664f.png)
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2023-11-26更新
|
395次组卷
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2卷引用:广东省东莞市粤华学校2023-2024学年高一上学期期中考试数学试题
名校
5 . 已知
,
,函数
.
(1)若
,求函数的定义域,并判断是否在在
使得
是奇函数,说明理由;
(2)若函数过点
,且函数
与
轴负半轴有两个不同交点,求此时
的值和a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686b332872c51b433befe65fbe773380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68da35ff18ac91ae906d29608b4e905d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ce2f5e22175e3ff8ab5e0afca58f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
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解题方法
6 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/c30a1791-d8c3-4411-84a5-78368d57bd41.png?resizew=188)
(1)列表、描点(7个)并画出函数
的图象,自变量
的取值可任取;
(2)根据图象写出
的单调递增区间(不用证明);
(3)若方程
有四个实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52aad1ed3e7588ad6ae05d63506ececa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/c30a1791-d8c3-4411-84a5-78368d57bd41.png?resizew=188)
(1)列表、描点(7个)并画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)根据图象写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-11-19更新
|
189次组卷
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2卷引用:广东省东莞市常平中学2023-2024学年高一上学期期中考试数学试题
名校
7 . 已知函数
是定义域上的奇函数,且
.
(1)判断并用定义证明函数
在
上的单调性;
(2)设函数
,若
在
上有两个零点,求实数
的取值范围;
(3)设函数
,若对
,都有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd044bbb73cbbbbc4c0d1da5463477a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff2144d6e1b26db35e9d3309e615573.png)
(1)判断并用定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd1017814e9883c21b17e43703a7272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0557c1b1eb6b2a7d91f0ef7f9a52427d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa2686060312ed2221ad9de62c260c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af0b9aebc3254313dcab06eae3534ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2023-11-17更新
|
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8 . 已知函数
为二次函数,
的图象过点
,对称轴为
,函数
在R上最小值为
.
(1)求
的解析式;
(2)当
,
时,求函数
的最小值(用m表示);
(3)若函数
在
上只有一个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](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/1c98a7f3a8bf384b1dfc1d34aebd46d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d297eab7380f6a28ec010218d9ab4ba1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac5c403dcc3d23edfcd971a43070dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17553730682405c04b962f66ce5fd92d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0e705301752424a492f6277ed7774e.png)
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2023-11-15更新
|
315次组卷
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3卷引用:广东省东莞高级中学、东莞第六高级中学2023-2024学年高一上学期12月联合教学质量检测数学试卷
广东省东莞高级中学、东莞第六高级中学2023-2024学年高一上学期12月联合教学质量检测数学试卷北京市西城区北京师范大学第二附属中学2023-2024学年高一上学期期中考试数学试题(已下线)8.1 二分法与求方程近似解(十二大题型)(2)-【帮课堂】(苏教版2019必修第一册)
名校
解题方法
9 . 已知函数
,
为参数且
.
(1)函数
的值域为
时,求参数m的取值范围;
(2)当
时,若方程
有两个不等实数解
,
,完成以下两个问题:
①求
的取值范围;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1bbb13de97bdd4126bbd91baee9db8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b156f0540d4628d2e61aefdfeba74bb.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e409bdb06c6e71f137eca131ecd596.png)
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10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a021d844b8b1a32df2e1e163e9fa4a.png)
(1)直接判断函数
在定义域上的单调性(无需证明)
(2)求函数
在定义域上的零点个数,并证明.
(3)若方程
在
上有两个不等实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a021d844b8b1a32df2e1e163e9fa4a.png)
(1)直接判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd46e53a9c1374a169298c1ee1d9b1bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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