2024·全国·模拟预测
1 . 已知函数
,且曲线
在点
处的切线方程为
.
(1)求实数
,
的值;
(2)证明:函数
有两个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477439fd84ce8583818663c15c0435b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb59802d14676e0c842cab5cca28fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13653a89d3a38346e1ddf4fd1602f85.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2 . 已知函数
,
.下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af865aabfaa584ce3e7b2abad78d7e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88294f9b8f086fc2ff31f5347a4afa0.png)
A.![]() |
B.![]() ![]() |
C.对任意![]() ![]() |
D.对任意![]() ![]() |
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2024-04-29更新
|
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3 . 若不等式
或
只有一个整数解,则称不等式为单元集不等式.已知不等式
为单元集不等式,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeee168cba61451175912912339555c4.png)
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2024·全国·模拟预测
4 . 已知
的解集为
,则下列结论错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfb35b09aa97d1a9024cdaeffda26b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ef8c6c552334ed070614fb772e795c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024·全国·模拟预测
解题方法
5 . 已知函数
,
.
(1)当
时,求
的极小值;
(2)若
,求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff206c064d0d639f34a6b03852cdce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5245e7b22d9d42daf9e68bfea132e430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee31b9dffcd91ff2f5477410bc09f95.png)
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2024·全国·模拟预测
6 .
表示两个实数
,
中的较小数.已知函数
,且当
时,
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6323f3d42a8c329f1231a4183cca21c3.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/f5e729f82c89e146d61ce638751ce7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba934874cc9f2ab272fdff67ea23bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51442bf0ef97e173588b54ee77db26b5.png)
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7 . 设方程
的两根为
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e025b706b7a37bc71ddef2bcc63df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
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8 . 已知函数
.
(1)求曲线
在
处的切线方程;
(2)设函数
,求
的单调区间;
(3)判断
极值点的个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053568b3e595d79fae3c816c57b0047.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c765461ae1a6c70f5cbdcb6c932a22b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024-01-20更新
|
932次组卷
|
3卷引用:第三套 新高考新结构全真模拟3(艺体生)
2024·全国·模拟预测
解题方法
9 . 已知函数
(其中
且
,
,
为自然对数的底数).
(1)当
,
时,求函数
的图象在
处的切线的斜率;
(2)当
时,函数
的最小值为
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56fab75b1bdd8fb18ca03b30598dbbce.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/c5bacbd0630f70d89b1cec9cc1808c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500d68f2678989a5ce7431cfd51b019d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0593688076d2f4210f6e6aa5b4e72c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0593688076d2f4210f6e6aa5b4e72c82.png)
您最近一年使用:0次
2024·全国·模拟预测
名校
10 . 已知函数
,
,则存在
,使得( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f45462f454e0d7fb7f91ff13876a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588bbf780d49cf4d29802c2e4126f112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612ea71a1bba7cd520b4bf0e308fb0ac.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-01-06更新
|
1187次组卷
|
3卷引用:2024年普通高等学校招生全国统一考试数学预测卷(五)
(已下线)2024年普通高等学校招生全国统一考试数学预测卷(五)江西省南昌市第二中学2024届高三“九省联考”考后适应性测试数学试题(一)湖南省衡阳市第八中学2024届高三下学期高考适应性练习(一)数学试题