1 . 已知函数
的两个零点为
,且
,则下列说法正确的序号为______ .
①
;
②不等式
的解集为
;
③
;
④不等式
的解集为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5278e760a10891673dd97d210c44ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dbfab27ddb33f4de8fa95e480dad0d3.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
②不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed773bfab2f8b36b6da3a471c5916ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82df96690a7944ccd98e14c3ffc1a28c.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e7ef804eeb23618fbf91ead47587f2.png)
④不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009db35e84f9e2ed847519211918fbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8f02f880c2dbea33bbb9f376d2cc2b.png)
您最近一年使用:0次
名校
2 . 已知函数
,有下面四个命题:
①当
时,
在
单调递减;
②若
恰有两个不同的零点,则
;
③若函数
恰有4个不同的零点
,
,
,
,则
;
④对于任意的
,函数
恰有3个不同的零点.
其中,全部正确命题的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33fd8dbcc9972cdbdc5d4ec10f102c2.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcb3d717642032e45e06064b600e8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec6d01416d70da04bf3de6a0854ce47.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcb3d717642032e45e06064b600e8f1.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7eb1c785d537dfa63a7427123ebf69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec13d0c7a2f811a742d7e89960c5fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361b11b445f4801ef928a198c8b46273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8d2c754bce775e267a2240fa75d80b.png)
④对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848c33e3506416358d9f0d3ee66f67a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f4a6a1d83a9bafeb238e0615abcade.png)
其中,全部正确命题的序号为
您最近一年使用:0次
2022-10-24更新
|
475次组卷
|
4卷引用:北京市清华大学附属中学2022届高三上学期10月月考数学试题
北京市清华大学附属中学2022届高三上学期10月月考数学试题北京市清华大学附属中学2022-2023学年高二上学期10月统练数学试题(1)(已下线)三省三校2022届高三下学期第一次模拟数学(理)试题变式题16-20北京市顺义牛栏山第一中学2024届高三上学期10月月考数学试题
3 . 下列四个命题:
①函数
是奇函数且在定义域上是单调递增函数;
②函数
有两个零点,则
;
③函数
,则
的解集为
;
④函数
的单调递减区间为
.
其中正确命题的序号为__________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffa8ddcbbe89ab0f250f56673e2d36c.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f445485ca47631a2b2eaed41de8406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9977b59a789b7cfdd49185deb2b1b0d7.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/120c5efbaa301be0271488d3994ae06d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202fefd835bd75a1f618e250464cbb6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e311297ea5a2002666523d2497bd88.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f05bea1d22f23dbdefafa8e410a9001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2240415557f2c06b1ed3763e92f029.png)
其中正确命题的序号为
您最近一年使用:0次
名校
4 . 给出下列四种说法:①函数
的单调递增区间是
;②函数
与
的值域相同;③函数
与
均是奇函数;④若函数
在
上有零点,则实数
的取值范围是
.其中正确结论的序号是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e914810c9d644a3dfcdfe67e3921f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ba62890fbdb340752e55f636f0bbaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cf7675fc49cbdf3611ac547d85c8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03df5fa9ddc83cadfa47366117fdadf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57a98605c97f38ea12969e83bc76ae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8c3ee2e72de2bc6b4a206fa88c98bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1da540dbcbdc1f5c1874e22d7a4d68f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c09791b2f32e4414dc08e01a25f4b16.png)
您最近一年使用:0次