1 . 已知函数
,其中
,
为实数且
.
(1)当
时,根据定义证明
在
单调递增;
(2)求集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9021fa0cc7427f534fbf1ec1db79c4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0070f5fd205c3c48a41bd865a7049b.png)
(2)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac3810dfe2b1eb718bae23bf0bab35e.png)
您最近一年使用:0次
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2 . 对于定义域为
的函数
,如果存在区间
,同时满足:①
在
内是单调函数;②当定义域是
时,
的值域也是
.则称
是该函数的“和谐区间”.
(1)求证:函数
不存在“和谐区间”.
(2)已知:函数
有“和谐区间
,当
变化时,求出
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f065d8b1ed1416c900ff186219716b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc5e758848d19df002b80df7cc04ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc5e758848d19df002b80df7cc04ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc5e758848d19df002b80df7cc04ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc5e758848d19df002b80df7cc04ea4.png)
(1)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d86f0ed74dbc08b364e8e9d972be06.png)
(2)已知:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e476b61058e4bad76051c3539f5f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db527571cfd256c515424c6f9d114284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
您最近一年使用:0次
2020-09-17更新
|
696次组卷
|
4卷引用:第十三届高一试题(B卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
第十三届高一试题(B卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)河南省信阳市罗山县2020-2021学年高三第一次调研(8月联考)数学(理)试题(已下线)练习04+函数的概念与表示-2020-2021学年【补习教材·寒假作业】高一数学(苏教版)安徽省安庆市大观区安庆一中2021-2022学年高三上学期阶段性测试一数学(理科)试题
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3 . 已知函数
,
.
(
)当
时,证明:
为偶函数;
(
)若
在
上单调递增,求实数
的取值范围;
(
)若
,求实数
的取值范围,使
在
上恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30bc66a9a7684b9b9dc163720b4e19fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de24779170eb5421fad5eec034f4d547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
您最近一年使用:0次
2018-03-16更新
|
2169次组卷
|
8卷引用:广东省普宁市2016-2017学年高一下学期期末学业水平考试数学试题