名校
1 . 已知函数
(
为常数,
).
(1)讨论函数
的奇偶性;
(2)若方程
在
上有实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983626943d7d32362f7fb2ddc1cb1f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2405807212c002f5bd1f73744488d1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
2 .
是定义在R上的函数,
,函数
为偶函数,且当
时,
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a011db3262d262db247f4204c15f8b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe17821ea81c6fec60bd5273901bd50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d4cd02b69b76000f9b9826d9929a324.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() |
您最近一年使用:0次
2023-01-13更新
|
675次组卷
|
3卷引用:四川省遂宁市射洪市射洪中学校2022-2023学年高一上学期期末数学试题
解题方法
3 . 已知函数
,现给出下列四个说法:
①
是周期函数;②
有无数个零点;③
是奇函数;④
.
其中所有正确说法的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3207ceddc981c5bc86351b485e55dbd.png)
①
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175ead8ebfd36b5df0bf77673ea5dd82.png)
其中所有正确说法的序号为( )
A.②③ | B.①②③ | C.②③④ | D.①②③④ |
您最近一年使用:0次
2023-01-13更新
|
102次组卷
|
4卷引用:云南省楚雄州2022届高三上学期期末教育学业质量监测数学(文)试题
名校
解题方法
4 . 函数
,
的零点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7bc5b9c38bcefe76598ec91fc57ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118c9c0597d2c72126fbc4cc3927108e.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
5 . 已知函数
,下列命题中:
①若函数
在区间
上是单调函数,则函数
在区间
上是严格增(减)函数;
②若函数
在区间
上单调函数,则
是函数
在区间
上的最大(或最小)值;
③若函数
的图像是一段连续曲线,如果
,则函数
在
上没有零点;
真命题的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b009f39a4bfde1f12d475c73cd7d56af.png)
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196e109d3d204516cf62a8f6c5dcd704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
真命题的个数为( )
A.0个 | B.1个 | C.2个 | D.3个 |
您最近一年使用:0次
解题方法
6 . 已知函数
,
,
是常数.
(1)若
恒成立,求
的取值范围;
(2)设函数
,试问,函数
是否有零点,若有,求
的取值范围;若没有,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbaf96f227473b7bffb3657e20d4b973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69303621c56f67b4ec4e0ac575deb554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535f3e4e10baec79124471a4027051b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
7 . 定义域为
的函数
的图象关于直线
对称,当
时,
,且对任意
,有
,
,则方程
实数根的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a000fb7e397f091b5a6e51987905cde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bc06c197c027b6bb2fad39062cd0cd7.png)
A.2024 | B.2025 | C.2026 | D.2027 |
您最近一年使用:0次
名校
解题方法
8 . 已知函数
对
都有
,且函数
的图像关于点
对称,当
时,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c3dd8fa2dc8c0c7e255bfb054ad34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcac1e85463a3177f487d896b3d1d24c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d900b106c2b44b211c60b0ba9c2cf6d7.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.函数![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,
,当
时,关于x的方程
解的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef684a83c82d32c12245cf32fab5a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee5bf601560a7a3c77c9a6ea3c2c125d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9e329f2730b2be926b121f1ae04c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3bb173a6a7f4bc73b845b17cc510b2.png)
您最近一年使用:0次
2023-01-11更新
|
478次组卷
|
3卷引用:广东省广州市第二中学2022-2023学年高一上学期期末数学试题
名校
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455a7b421f3555fcf2d882af5342b653.png)
(1)作出函数
的大致图像;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/bb433498-e742-4417-8358-c658ef5edda8.png?resizew=244)
(2)结合图像讨论函数
的零点个数情况(无需证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455a7b421f3555fcf2d882af5342b653.png)
(1)作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/bb433498-e742-4417-8358-c658ef5edda8.png?resizew=244)
(2)结合图像讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95eb878bdb0aa083e327f97b63f142c0.png)
您最近一年使用:0次