已知定义在
上的函数
,满足
,且当
时,
.
(1)讨论函数
的单调性,并说明理由;
(2)若
,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4ed7610509c28b0ba754bed3922265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9da4fdfdddc259dcef9fdd4b826b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50cb2e0b8a23a1fa5cde77462a11cfa7.png)
22-23高一上·云南保山·期末 查看更多[4]
云南省保山市文山州2022~2023学年高一上学期期末考试数学试题(已下线)第03讲 3.2.1单调性与最大(小)值(精讲精练)(1)-【帮课堂】(已下线)第三章 函数的概念与性质(1b)速记·巧练(人教A版2019必修第一册)(已下线)高一上学期期末复习【第三章 函数的概念与性质】十大题型归纳(拔尖篇)-举一反三系列
更新时间:2023-02-19 10:48:57
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解题方法
【推荐1】已知
是定义域为
的奇函数,当
时,
.
(1)求
的值;
(2)求
在
上的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1877c628e76deb6adad350a44db5ba9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579041fa505f7becf0271f4caed80f60.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
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【推荐2】已知定义在
上的函数
满足
,且当
时,
.
(1)求
的值;
(2)证明
为奇函数;
(3)猜想函数
的单调性并求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)猜想函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9be84317ee1a24708cf6aea6d52485.png)
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【推荐1】已知
,
.
(1)判断
的奇偶性并说明理由;
(2)求证:函数
是增函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6274a35c06ab2fce01792ba30781ddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8157c490f4763d8f8ef36075ee9a9c0a.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐2】已知函数
,
.
(1)判断函数
的单调性,并证明;
(2)若不等式
在
上恒成立,求实数a的取值范围;
(3)若不等式
在
上有解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa47a7c864910c64a2ba955525deee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5944018092787f40843ee9aa636c3222.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5efbe27501ebed775a665de0ee88a7d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481fa2b8c459225adbc60a7981634762.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5efbe27501ebed775a665de0ee88a7d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481fa2b8c459225adbc60a7981634762.png)
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解题方法
【推荐3】已知函数
是奇函数,且
.
(1)求
的解析式;
(2)判断函数
的单调性,并证明你的结论;
(3)若
,
,且
.求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a15cb642aa24639a1dc4eae028a3b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d96f64b2911f61fd92f7962ea585e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47548b3d000a60b1058f9050571f1df.png)
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解题方法
【推荐1】已知函数
,设
.
(1)求
的定义域和值域;
(2)求出
的定义域,并判断
的奇偶性,说明理由;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fea25d1ff8ceafff1bec8b686bf066f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e3d3587693cb2a74eff7a890990c7e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc2395f479a7f620dc7a8168f87adef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
解题方法
【推荐2】若定义在
上的函数
为奇函数.
(1)求
的值;
(2)判断
的单调性(无需证明),并求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d22e98a005621833ffdece28a39369a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8efdc4104984ebe14b8693dc74fc59a.png)
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