名校
解题方法
1 . 已知函数
有三个零点,则实数m的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb00337419f5a47eae6c5c3dafab0b13.png)
A. ![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-11-15更新
|
375次组卷
|
2卷引用: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
名校
解题方法
2 . 已知函数
.
(1)判断函数
的奇偶性,并证明;
(2)直接写出函数
在定义域上的单调性;
(3)若关于
的不等式
有且只有一个整数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7edecfbf1b4e1052468d209e8f017a88.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)直接写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272bfa5e5c0c0947c69b6f6eb552947a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
3 . 已知函数
,其中
.
(1)当
时,判断
的奇偶性并说明理由;
(2)当
时,判断
单调性并加以证明;
(3)若
为
上的增函数,求
的取值范围.(只写出结论)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5e9aaccb084ce4a68731529e0b1976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d86b4ad722d7b720603eba9d330fd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
解题方法
4 . 已知定义在R上偶函数
在
上单调,且
,
,给出下列四个结论:
①
在
上单调递减;
②
存在
,使得
;
③
有且仅有两个零点;
④不等式
的解集为
.
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91288f3376f00e3e4e37376c14f5c81d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1233d79e389ea5a4047cf03e6ba1b1f4.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e58768fc0df02f60aa54d00fe063c52.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab87accf1942ab80def96d12ef173163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd78eaaea022ca802d231c741ac2779.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
④不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1918d07f6fdff30a1b120d2d81182527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d046629d9df654bfc084946eb50f66.png)
其中所有正确结论的序号是
您最近一年使用:0次
名校
5 . 现实生活中,空旷田野间两根电线杆之间的电线与峡谷上空横跨深涧的观光索道的钢索有相似的曲线形态,这类曲线在数学上常被称为悬链线.在合适的坐标系中,这类曲线可用函数
来表示.下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4efbb323895b5693001078bc60a304be.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
2022-11-04更新
|
2480次组卷
|
9卷引用:北京市朝阳区2023届高三上学期期中质量检测数学试题
名校
6 . 已知函数
,其中
且
.给出下列四个结论:
①若
,则函数
的零点是
;
②若函数
无最小值,则
的取值范围为
;
③若
,则
在区间
上单调递减,在区间
上单调递增;
④若关于
的方程
恰有三个不相等的实数根
,则
的取值范围为
,且
的取值范围为
.
其中,所有正确结论的序号是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3cb969685ffe853a26c31010c733c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc91d92eb161e54def20b039d2089201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2edd8edcb21bd41584daf9bb95a5c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
④若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8ff8d31545883a5880ae40ffc4ebb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3654254401fc902c3cb4912969f21f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bacde908aec2c313978fc4309d82bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e0a0dde137e24c80d0afeec024f2b6.png)
其中,所有正确结论的序号是
您最近一年使用:0次
2022-03-01更新
|
639次组卷
|
5卷引用:北京市第五十中学2023届高三上学期10月月考数学试题
名校
7 . 已知函数
,下面有四个结论:
①当
时,
在
上单调递减;
②若函数
恰有2个零点,则
的取值范围是
;
③若函数
无最小值,则
的取值范围是
;
④若方程
有三个实数根
,其中
,则不存在实数
,使得
.
其中所有正确结论的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab372dbf80b1da96e2850e6def3827a.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e10140ab3cdc13d710a65b2287c892b.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189b2da6c420bf8f8900002d14f65f72.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b61bb7cb94b4d06f0090df1e365667.png)
④若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5809a06357f94fc7a2156c7e7af1ed2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e25ddc1be7a3492b844036076b114fc5.png)
其中所有正确结论的序号是
您最近一年使用:0次
2021-12-12更新
|
662次组卷
|
3卷引用:北京师范大学附属中学2021-2022学年高一上学期期中考试数学试题
名校
8 . 已知二次函数
.
(1)若
,且
,试证明:
必有两个零点;
(2)若对
且
,
,方程
有两个不等实根,证明 必有一实根属于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d200a7afe1e011713e14886a6887e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27822887caad20f3a075ca2fb74155c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aadba63f4658f58f625a65376004131b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f803a468e5d66004e57372a5bf2c5e1b.png)
您最近一年使用:0次
2021-11-11更新
|
208次组卷
|
4卷引用:北京市第九中学2021-2022学年高一上学期期中考试数学试题
北京市第九中学2021-2022学年高一上学期期中考试数学试题第8章 函数应用(章末测试基础卷)-2021-2022学年高一数学同步单元测试定心卷(苏教版2019必修第一册)北京名校2023届高三一轮总复习 第2章 函数与导数 2.9 函数与方程、不等式(已下线)高一上学期期中【压轴60题考点专练】(必修一前三章)-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)
9 . 若函数
对任意的
,均有
,则称函数
具有性质
.
(1)判断下面两个函数是否具有性质
,并说明理由.①
;②
.
(2)若函数
具有性质
,且
,求证:对任意
有
;
(3)在(2)的条件下,是否对任意
均有
.若成立给出证明,若不成立给出反例.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c75190e49deb89c5a43eda6083422418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)判断下面两个函数是否具有性质
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abbe323771bc92bf5767e1bd9a46b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25967a292e2486b6406e60447cfb0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b880d2aa081b381aabbc1634dcf26c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db419cf1fca9e54646e150752cd7a82.png)
(3)在(2)的条件下,是否对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f5762af19bbe5d56474384277a5d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db419cf1fca9e54646e150752cd7a82.png)
您最近一年使用:0次
2020-05-08更新
|
974次组卷
|
6卷引用:2011届北京市西城区高三二模试卷数学(文科)
(已下线)2011届北京市西城区高三二模试卷数学(文科)北京市首师大附2017-2018学年高三十月月考数学(文)试题北京市第八十中学2022-2023学年高一上学期期中考试数学试题2020届上海市上海中学高三下学期高考模拟(4月)数学试题(已下线)重难点12 选考系列(参数方程与不等式)-2021年高考数学【热点·重点·难点】专练(上海专用)(已下线)第四章 指数函数与对数函数单元检测卷(能力挑战)-【一堂好课】2021-2022学年高一数学上学期同步精品课堂(人教A版2019必修第一册)
名校
10 . 函数 y f(x) 的定义域为[2.1,2],其图像如下图所示,且 f(2.1) 0.96
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/54a18a36-52e0-4b10-9071-c62ce70f6637.png?resizew=151)
(1)若函数 yf(x) k恰有两个不同的零点,则 k_____
(2)已知函数 g ( x)
, yg[f(x)] 有_____ 个不同的零点
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/54a18a36-52e0-4b10-9071-c62ce70f6637.png?resizew=151)
(1)若函数 yf(x) k恰有两个不同的零点,则 k
(2)已知函数 g ( x)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9c48110613f2d713cac45ed763a0c.png)
您最近一年使用:0次
2019-12-14更新
|
429次组卷
|
3卷引用:清华大学附属中学2019-2020学年高一上学期期中数学试题