解题方法
1 . 已知a、
,
,则下列不等式中不一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 已知函数
的表达式
.
(1)判断函数
在其定义域上的单调性,并说明理由
(2)是否存在实数
,使得函数
是奇函数?并说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0872d7041008ad29dc6dbc9f4086e28.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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2023高一上·上海·专题练习
解题方法
3 . 比较
,
,
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb06f9c25f36c9a26078dde7ee850d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9056c7fad03908eb56f9bbc7257afc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5d9072c4f2f538382cf534ca7aeefc.png)
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解题方法
4 . 下列命题中正确的是( )
A.若![]() ![]() ![]() | B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() |
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2024-01-12更新
|
157次组卷
|
3卷引用:上海市东华大学附属奉贤致远中学2023-2024学年高一上学期12月教学评估数学试题
上海市东华大学附属奉贤致远中学2023-2024学年高一上学期12月教学评估数学试题上海市奉贤区2022-2023学年高一上学期1月期末练习数学试题(已下线)专题11指数函数 -【倍速学习法】(沪教版2020必修第一册)
5 . 已知
,则下列命题正确的个数是( )
①若
,则
; ②若
,则
;
③若
,则
;④ 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbe67f3d148e97e5ab1d2c7c383f285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f709198a7df372eea4b1c1ac19c6e4.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1b5f665d41a2d0e4980b35c1b6e578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae95ae4a4823fc6425410178189025d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1b5f665d41a2d0e4980b35c1b6e578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb9c85fbf24ffe12119450eae718ca1.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a6f362a7f8f972d6b329a882e940d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9b7ef7b53169c74c58b723da57abda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbe67f3d148e97e5ab1d2c7c383f285.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
名校
6 . 已知
,以下不等关系不一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497d269c30eec393e3f0e877ddbe2983.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 根据“幂的基本不等式:当
时,
”,对于下列命题:
①若
,存在
,使得
;②若
,对任意
,满足
.
下列说法正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8230a5e3e5548ad5287723258d5be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5e0630a1632f6368fb824ebfdead0d.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6358e10842d4882dc4ad7b0adda9bf9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6358e10842d4882dc4ad7b0adda9bf9e.png)
下列说法正确的为( )
A.①真②假 | B.①假②真 | C.①②都假 | D.①②都真 |
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解题方法
8 . 已知
,
,
,则
的大小关系是(参考数据
,
)( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cec8cb64b526ff46257f00cc09da9a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8992d2c2febb7d8acd3464ab295b6883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f919f4ffa0372c891f9ecde7e407d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfb5a9ba77ae3ff13997225d5ba02f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70345587c2d90c50abb161cd7e158a67.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知
,则下列不等式一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a5abe56c019ac914e1fcde1865a747.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-14更新
|
221次组卷
|
2卷引用:上海市长宁区复旦中学2023-2024学年高一上学期12月月考数学试题
解题方法
10 . 设
为实数,现有下列命题:
①若
,则
;
②若
,则
;
③若
,
,则
;
④不等式
与不等式
等价;
其中的真命题有_______ .(写出所有真命题的编号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ff2912fd8d93b6e692936d95b727c5.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db7ac1ffe21adaaee6db2d0189de7e6.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8201ff29a2091d40eee10db6bbc1f2.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d89ab55ffb93cc48f077b542dbd25aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0dfded1758cbd9a49da73deaa741609.png)
④不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54969adfe007f7dacf556c4c863670b9.png)
其中的真命题有
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