名校
解题方法
1 . 设函数
,若
,且
的最小值为
,则a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a39dfe19b3509c642ab8e7797fb748a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56918711ba0bc8a723d7dc521a767ce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6b90938d743a2a9e69033f71ddaeec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e24d42f61784c642e9eb1316afdd2ad.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:四川省凉山州2022届高三第三次诊断性检测数学(理科)试题
2 . 已知
且
,若
,
,
.
(1)若
,求证:对![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49dac463bbb7375dbf8e2246f9a6f0d9.png)
都有
.
(2)若曲线
与直线
有且只有两个交点,求
的取值范围.
![](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/95ff35f3b50966a5e3cbb0b5977af7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b77f598a5333de5ab511e8efef01950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2162cb8b0ccbc611e6fe49c3f0335f6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49dac463bbb7375dbf8e2246f9a6f0d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab496052cd5dd9397e14c67e4670c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f178c183462e21b4e159211243aee8b0.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ec33f7b7d2c0ccab9a3910e0a1b037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 已知
为△ABC内任意一点,若满足
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62613718910c94b0542692291341e0ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46640953ac43dd654b2834ec39488490.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 定义运算
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08341c0ee87d64865b4c582a27f6b62.png)
.
(1)当
时,求函数
最小正周期及单调递增区间;
(2)若对任意的
,都有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ae3c3e7b8302a511fb4b30a4fa377e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08341c0ee87d64865b4c582a27f6b62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f79b8690c922e042e422cda331fbdfc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a8860096d91319caf00a14ebd73b94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87ca764f68a587cb7eabe62a31d5ac04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2卷引用:四川省凉山州西昌市2021-2022学年高一下学期期中考试数学(文)试题
名校
5 . 设函数
.
(1)求
的单调区间;
(2)
,
为
的导函数,当
时,
,求整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b2d1f30abb4a734c05efb2d7557dbe.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049cf5ad283a373f7fa75500723e023b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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9卷引用:四川省凉山州2022届高三第二次诊断性检测数学(理科)试题
名校
6 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b341e8dde4287eca00f7bff44e36f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da135b05bd51f3eb5b58c3adc88b960d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a990bb5afb688e16835a8b9e74c9da.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10卷引用:四川省凉山州2022届高三第二次诊断性检测数学(理科)试题
四川省凉山州2022届高三第二次诊断性检测数学(理科)试题四川省凉山州2022届高三第二次诊断性检测数学(文科)试题江苏省南京市金陵中学2022届高三下学期复习检测(二)数学试题(已下线)2.1 不等式的性质及一元二次不等式(精练)-【一隅三反】2023年高考数学一轮复习(提升版)(新高考地区专用)(已下线)3.3 指数运算及指数函数(精练)-【一隅三反】2023年高考数学一轮复习(提升版)(新高考地区专用)河南省南阳市第一中学校2022-2023学年高三上学期第一次月考数学(理)试题(已下线)专题14 指、对、幂形数的大小比较问题(精讲精练)-3(已下线)河南省信阳市信阳高级中学2024届高三一模数学试题(已下线)模块2 专题4 泰勒公式 巧解压轴 讲(已下线)专题1 数列不等式 与导数结合 讲(经典好题母题)
名校
解题方法
7 . 如图,
为椭圆上的三点,
为椭圆的上顶点,
与
关于
轴对称,椭圆的左焦点
,且
.
![](https://img.xkw.com/dksih/QBM/2022/3/17/2938423696506880/2939358113349632/STEM/dba26ac5e4bf4b309d8c8dedab46b3ab.png?resizew=231)
(1)求椭圆的标准方程;
(2)过椭圆的右焦点
且与
轴不重合的直线交椭圆于
两点,
为椭圆的右顶点,连接
分别交直线
于
两点.试判断
的交点是否为定点?若是,请求出该定点;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7807638578edd712265463a7a5eab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e2b36e4731ee4c428a713f18217b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4c8c4dc18c89cafbd3bfb297e3d695.png)
![](https://img.xkw.com/dksih/QBM/2022/3/17/2938423696506880/2939358113349632/STEM/dba26ac5e4bf4b309d8c8dedab46b3ab.png?resizew=231)
(1)求椭圆的标准方程;
(2)过椭圆的右焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03df57efff473b3cfeb8503796b7d6b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103f89feb6e4cbb0bb2b90e0b40ea9ea.png)
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4卷引用:四川省凉山州2022届高三第二次诊断性检测数学(理科)试题
名校
解题方法
8 . 关于函数
有下列结论:①其表达式可写成
;②直线
是曲线
的一条对称轴;③
在区间
上单调递增;④存在
使
恒成立.其中正确的是______ (填写正确的番号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a7a14dcaf4d80e43b46f703dc7703fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53edd879fecc08ea441ec4053c365d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2133a8576a013055f8fab50f52c215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04f5684d862b1be1f8883838fa93b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304f02306c0cf5f59f2d13293d02dd59.png)
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5卷引用:四川省凉山州2021-2022学年高一上学期期末考试数学试题
四川省凉山州2021-2022学年高一上学期期末考试数学试题四川省凉山州宁南中学2021-2022学年高一下学期开学考试数学试题(已下线)第02讲 二倍角的三角函数-【帮课堂】2021-2022学年高一数学同步精品讲义(苏教版2019必修第二册)(已下线)5.5三角恒等变换C卷(已下线)第五章 三角函数-【优化数学】单元测试能力卷(人教A版2019)
名校
9 . 已知定义在R上的奇函数
和偶函数
满足
.
(1)求函数
和
的解析式;
(2)判断
在R上的单调性,并用定义证明;
(3)函数
在R上恰有两个零点,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/563d34c1f9b294a226c6a007d85bd1ef.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9abf9b185a9c3867a8fdf8ad296903.png)
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名校
10 . 已知函数
(
,
)部分图象如下图所示.
![](https://img.xkw.com/dksih/QBM/2022/1/25/2902090661986304/2903364101586944/STEM/8c688743-8c29-4ef9-9432-f8ce56be30de.png?resizew=179)
(1)求函数
的解析式,并写出
单调递增区间;
(2)函数
,若对任意
,都有
恒成立,求实数a取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55838863eacaec3c4f56df61169488d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248dba78ba95c72cbfbd2458c0631ed2.png)
![](https://img.xkw.com/dksih/QBM/2022/1/25/2902090661986304/2903364101586944/STEM/8c688743-8c29-4ef9-9432-f8ce56be30de.png?resizew=179)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac76617d3cdd18b523dc633bb99c6f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3bfe31bb44a7b5525c5c1d8f8474f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2fcf4e3815881d6024134ced1f2bb5.png)
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