名校
解题方法
1 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe58e00b43098d957799b7353ef1d7b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 求值:
(1)
;
(2)已知
,
,
,求
的最小值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2ad86f8a3818919934b1353a94f720.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91e2c2f980be0bd182d1b6fe03586b4.png)
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2024·全国·模拟预测
解题方法
3 . 已知函数
且
在区间
上单调递减,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13bf77d998b4e3239c1a40a3f3e87bb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
4 . 已知
,则正整数
的最小值为( )(参考数据:取
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14cd968acb37b1cb977230ed012f2b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769563348a6488d1db86b5b4c7681644.png)
A.8 | B.9 | C.10 | D.11 |
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名校
解题方法
5 . 数学家也有一些美丽的错误,如法国数学家费马于
年提出了以下猜想:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db844e93e981ddf3d3e626e160c0ed1.png)
是质数.
年,瑞士数学家欧拉算出
,该数不是质数.已知
为数列
的前
项和,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5877b16c07b433303f407a2b9917500a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b27c3739c67afe2ce2b009e3080119.png)
(1)求数列
的通项公式;
(2)若
,设为数列
的前
项和,求出
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79137b26772882006a7d5e307dceeb48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db844e93e981ddf3d3e626e160c0ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2512c1f02995f149ed8ded9e118895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf1f8602f1c07dc1033bad85e190bcfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ac5abd893e2158c86f56e697f452ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5877b16c07b433303f407a2b9917500a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b27c3739c67afe2ce2b009e3080119.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbdbf5c03396141d30188d5bee2a36f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e55c84e39d163be9b5f05be0d279fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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名校
解题方法
6 . 下列函数中,既是奇函数又在定义域上单调递增的函数是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
7 . 已知不等式
的解集为
,函数
的定义域为
.
(1)求
;
(2)若
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d688d789811c277564efef83840fd12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd2842684cbf7a9d2160c22819c4317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
8 . 已知
,
,
,且满足
,则
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec336faee8689281a6f6b465e7fcff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01de20123a39eb6093fe9d9607ca9c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c6edc0212bd0eeef1a83dd4772d087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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名校
解题方法
9 . 函数
.
(1)若
的定义域为
,求实数a的取值范围;
(2)方程
在区间
上有解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508b4538532503edb1d5989ee9ccc363.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(2)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437d918453f62cc2048a5fdbf97ad1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
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名校
10 . 函数
的零点为
,函数
的零点为
,若
,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b4e8505a11fe8ba1a09d27e79f46a62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/483fdc52a68015e29f985f7249f8df89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38539ff870207a4e0c7dd315735e5793.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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