1 . 我们熟悉的网络新词,有“yyds”、“内卷”、“躺平”等,定义方程
的实数根
叫做函数
的“躺平点”.若函数
,
,
的“躺平点”分别为
,
,
,则
,
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be943c6bb7e170907c93eae6b13a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d997e3fd54416a529c5095523bc15e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17c20662a07a25d11f33a4488e31cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13487a3c7d84a5638de224a370910012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 函数
的零点所在区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699b3f84d2e5beea2370a910cd0c6599.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 若函数
在
上是单调函数,且满足对任意
,都有
,则函数
的零点所在的区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d30155644641e0bd5f22e8cd37dee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知函数
的零点为
,
存在零点
,使
,则
不能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa7ded2c5b69e9057c5e4e5d19bcdc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1701e1b3b7af9ac2cf83a3adf1c49152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
5 . “切线放缩”是处理不等式问题的一种技巧. 如:
在点
处的切线为
,如图所示,易知除切点
外,
图象上其余所有的点均在
的上方,故有
. 该结论可通过构造函数
并求其最小值来证明. 显然,我们选择的切点不同,所得的不等式也不同. 请根据以上材料,判断下列命题中正确命题的个数是( )
;
②
;
③
;
④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3fe2ef17248ee89e1ca43c0db267a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807d5f1676dc00e9b0af4656ce047170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807d5f1676dc00e9b0af4656ce047170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3fe2ef17248ee89e1ca43c0db267a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b3a5e0854a552973617a73ca89a6c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a4c61536e3e24b760066c88d5762a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff62be512f2e053659ed6e355adc3cc0.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e121b3db6729caa8fade2d606c5abd69.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72f9fe9af333736b87aaeb5e331d5e5.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0895395eb64cb1d82cb01eedc75820.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
6 . 将函数
的图象向右平移
个单位长度,得到函数
的图象,则函数
的零点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4201223cfcf158b600f5c72407e32b12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2660bdb91f09c1a2a719bb54539f59f1.png)
A.1 | B.2 | C.3 | D.4 |
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7日内更新
|
110次组卷
|
2卷引用:湖南省娄底市第三中学2023-2024学年高二下学期5月月考数学试题
名校
7 . 设
,集合
,集合
,对于集合B有下列两个结论:①存在a和b,使得集合B中恰有5个元素;②存在a和b,使得集合B中恰有4个元素.则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63478e7cf55bad51bbd4ce1e23363e75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039abfbcdcc01da76d4123f81cf0f6a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db566527d91ecc1eccaf82460730983b.png)
A.①②都正确 | B.①②都错误 | C.①错误,②正确 | D.①正确,②错误 |
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8 . 已知函数
.若
,对
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e54a76673dfd822d518a267e5216d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4da3d4e434dbf66ba8e95a106fbf75d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019d02108cbcb685912bb8a07f1462e3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
9 . 已知
表示不超过
的最大整数,若
为函数
的极值点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd5f95f987cc7e021f8f09be732e646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f40c1b5bf2cbf277f1da4b9e0b4ce53.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-09更新
|
515次组卷
|
2卷引用:浙江省名校新高考研究联盟(Z20名校联盟)2024届高三第三次联考(三模)数学试题
名校
解题方法
10 . 函数
的零点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81eb427693c577494d53c2f925fa904d.png)
A.0 | B.1 | C.2 | D.3 |
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