名校
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d57778bc0e184610f507559a89d96c2.png)
且
是奇函数.
(1)当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
为自然对数底数)时,解不等式:
;
(2)关于x的不等式
解集中有且仅有3个整数,讨论实数n的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d57778bc0e184610f507559a89d96c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d74d706d2e4392e25016e9101d07ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18375771aceaae2c20130efa961bb12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c04e8f899f16999d2068364f1b81e71.png)
(2)关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971183b60f6287e9b39bcf5d21dcba85.png)
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2 . 已知
为所有
元有序数组
所组成的集合.其中
(
).
对于
中的任意元素
,
定义
,
的距离:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1138a3e79624a1fe9bc03b5300d9483.png)
若
,
为
的子集,且有
个元素,并且满足任意
,都存在唯一的
,使得
,则称
为“好
集”.
(1)若
,
,
,
,
,
,求
,
及
的值;
(2)当
时,求证:存在“好
集”,且“好
集”中不同元素的距离为5;
(3)求证:当
时,“好
集”不存在.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97de4e0337716e1d89eb1a6cfd7b8335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a406d53fd6ffd9ee6cd914f5e2b0a9bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab46d077ba3d6e13fa1f6a5aaa0ce6b.png)
对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94a179746b8c763e5620ac724ff1147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f2d8a263129fd9df23224bcd54d25e.png)
![](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/a1138a3e79624a1fe9bc03b5300d9483.png)
若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a6bc55d5eb2c3d085b62ffcd8d138d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0dce56f4a3a33c63f59cb4e79fdd4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98aa5f1acb67ec4580d240c2525e4d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ff114e0ec7de68f1239f70f68152b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd7ef0582648cdadc44efeff970f349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b733d1c7e28ba1380d76ef991a0e896e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)若
![](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/45b339e4303d066bc297c22b72ecb324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f945af9e01c29c5b3a8da1d640e910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3bf525a4089739d372536e76d625d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e753949e45a5c315b622a27cb22138dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ea1cb8084df487fa8b6d1956c6e8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f10adb388c64ee1f164269219d9afc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c93bd6883272a1c27f8a04f5901fc63.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc329b32ecf0f0532d09a8a21343e8cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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3 . 函数
,
,
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440cc86e667fc16e4d9113bf2b34d1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a711cdf32a16033d2fd9c934051f0cf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf59fcff239eaecc1e7e3df86146c8c.png)
A.函数![]() |
B.设方程![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() |
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4 . 函数
,
,
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3cf59aa7689deb9e12e993f6b1035b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a711cdf32a16033d2fd9c934051f0cf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf59fcff239eaecc1e7e3df86146c8c.png)
A.函数![]() |
B.设方程![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
5 . 我们知道,函数
的图象关于坐标原点成中心对称图形的充要条件是函数
为奇函数,该性质可以将其推广为:函数
的图象关于点
成中心对称图形的充要条件是函数
为奇函数.已知函数
,
.
(1)函数
的图象是否有对称中心?请用题设结论证明;
(2)用
表示
,
中的最小值,设函数
,请讨论是否对任意的
,
都有最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d0969cb7acbeaa05a101a385348a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e59bce30b73fdd54831416741ca3677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2d6200d93b97f4dcedf89e958154be.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a85c34922a744db6288c376087ffb423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4871ca022b6e63ebcb01efdfabc968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1448574060ea7f4d9c0e96042f399f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
6 . 已知函数
.
(1)解方程
;
(2)若
的最大值为
,且
对
恒成立,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a057c73118c9dd377b7ca4430f080f.png)
(1)解方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ea48c26457f8f0478710fe74b9b974.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2bb50ed9ba4521f6f4f14f0775f839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20297e276098431c37e69020bcc3c06.png)
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解题方法
7 . 知函数
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7192d87d0fa400d5d7dba57924bbbe3.png)
A.若x为锐角,则![]() |
B.![]() |
C.方程![]() ![]() |
D.方程![]() |
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8 . 已知函数
,其中
.若方程
有且只有一个解,则a的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5c3815b120069ef047e94563e2afab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6232dc74b15e4acb0ac3482a1cbe6a52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7d3fe1a1734e1d090cf05df9753e09.png)
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9 . 若函数
的定义域为D,集合
,若存在非零实数t使得任意
都有
,且
,则称
为M上的
增长函数.
(1)已知函数
,函数
,直接判断
和
是否为区间
上的
增长函数;
(2)已知函数
,且
是区间
上的
增长函数,求正整数n的最小值;
(3)如果
是定义域为
的奇函数,当
时,
,且
为
上的
增长函数,
求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfe5fa85f3ebdfca5b2c131582e54bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137e19310362e379bd5943525b715aaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44732202502102fe40f23c7558d1ab5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d2f074101ec58868493992814a2ff9.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4306fb6d5419322b4b7b9140e06e43a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7c91c7cad8a060981951c082cb9291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a50188f84f379b3d0418c54cbade7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f6a0eff55217e08cd9c7268ef3eecb.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd6be947e37552dfa0565d1f21e380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d94112851ce0deb4761bf00fcf275ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8559db5cec89fb0ed29e8be8fdb0b1.png)
(3)如果
![](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/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012e8b22975a0984bce88e0a8148a61a.png)
![](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/f92b46d50ecc7ea20c610d9b1217582e.png)
求实数a的取值范围.
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解题方法
10 . 已知函数
,若函数
恰有4个零点,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c18ebd877534a38b736cb935b58864e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-12-08更新
|
1057次组卷
|
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