名校
解题方法
1 . 设函数
.
(1)判断函数
在区间
和
上的单调性(不需要证明过程);
(2)若函数
在其定义域内为奇函数,求
与
的关系式;
(3)在(2)的条件下,当
时,不等式
在
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb700a41926e88302e5c1a272ec1bdd.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2edd8edcb21bd41584daf9bb95a5c7.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)在(2)的条件下,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a60372066c996c42b5cbf82e1bbefab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
2 . 已知
,
,
,若不等式
恒成立,则实数
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34f42b3be15518c29e3689c9fe6d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a32ae00d235e4f35f2be8dea7593dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/247d694c20076bb68447107d3def29cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.2 | B.3 | C.4 | D.6 |
您最近一年使用:0次
3 . 已知正实数
,
满足
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ae872ce8e0ca1d7c5ead7565d8d2ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee29ca15fba67a20f9963ed9b66ca7.png)
您最近一年使用:0次
解题方法
4 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14facc6aef16f3732c12631d858e8b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3dde19dc4d3119bd2cbe4f04bc69f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8c2a7421c540b94bff235b251b8b58.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知
为实数,则“
,
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5cb68fdec110f8fe3c9faf66272a4d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
解题方法
6 . 下列函数中,最小值为2的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
7 . 若
,且
,则下列不等式成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3eb9b6fe8959ae9e71e857b6d6fed49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574b3c0cdd4e1c6f3c77d43dc7e0603f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 设
,
,则以下不等式中不恒成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 若
,则下列不等式①
;②
;③
;④
中,正确的不等式有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6711e06cd61ac21656512e33f4ee2cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b32e1a1c8cb8f9fdab1d90cb9507c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d60a700a5a306f650c0bb85c07d0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc03d6198a94cfdf5ba108fd4ae668e2.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
解题方法
10 . 已知
.
(1)求函数
在
的最小值.
(2)对于任意
,都有
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba15c8c743b32353dc461117d4e1087e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(2)对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e32125207addc3fdb92ceb0ec80ce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314640586ecde507f5ab819efca5ad28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-05更新
|
270次组卷
|
2卷引用:江苏省苏州市常熟中学2023-2024学年高一上学期12月学业水平调研数学试题