1 . 已知函数
是定义在R上的奇函数,
是
的导函数,且当
时,
,
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.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/70f3ee7c6bd3142e24d62074b7480528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5e212eff5e6c07ff4b180451ab9d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a431537df789febf4bc45e3dc23cefaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2cb64b89026c65bb0198e1c67e4e68.png)
A.![]() | B.![]() |
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解题方法
2 . 函数
的单调减区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0587d7945eac936249daa292b86bae.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知函数
,则
在( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20621ea38bfb478a2d371d56210a3ae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() |
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4 . 己知函数
若函数
有5个不同的零点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e108aeb240893cf807e7f351921f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1abaa2c17ab08b2e508e00d9cc8c2035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知函数
在区间
上单调递减,则实数
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50995575fa23297e480283de4cf5f6f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.0 | D.![]() |
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6 . 已知定义在R上的函数
,设
,
,
,则a,b,c的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62edf0bd99475cf37d5d4159497d285c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59db7a756a41722ffbf8c4aed54418dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6178232dfb4c8f7d0b8e7d37de09259e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03cde509b9b45ea5a19b0f5b8ba36ddf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-08更新
|
504次组卷
|
4卷引用:5.3.1函数单调性
2024高三下·全国·专题练习
7 . 已知函数
,若有且只有两个整数
使得
,且
,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf50935faf10605b3eefd2aeb1f06f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6319d346786fc4a6d3ea0085cc6723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e102c0accc22d14525367f3e34a616b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024高三·全国·专题练习
解题方法
8 . 若
,使得不等式
成立,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ce9c8232f1f034ce71a3ca935a6788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf54742f0d61fb2f0d3f90e89fc04c6.png)
A. ![]() | B. ![]() | C. ![]() | D. ![]() |
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2024高三·全国·专题练习
9 . 若
,
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd72571689604028874d0a8897db4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ba95bbe5fc4ba94f0b165c1f881b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-26更新
|
525次组卷
|
3卷引用:FHgkyldyjsx03
2024·全国·模拟预测
10 . 若曲线
(
且
)有两条过坐标原点的切线,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5901b9d95c9457dbe7493847e942bc27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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