11-12高三·山东潍坊·阶段练习
1 . 已知
,
,
且
,函数
.
(1)求函数
的单调区间;
(2)若函数
的图象在点
,
(2)
处的切线的斜率为
,问:
在什么范围取值时,对于任意的
,
,函数
在区间
上总存在极值?
(3)当
时,设函数
,若在区间
,
上至少存在一个
,使得
成立,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1d0762d3e1431bdf6e0067d53e4fd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e2ea42b5e3534905d8cfff749a8439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f155833b8c37df25a67e628b82ffa2fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28b08682efa2692b052f64fe1448fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c8dce55e1df25b6fb286ca415a5bb2.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba6841e45d2ab4ee38390b98b538f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb6c6b88c47ffd0a018bf64c5b68a6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45340678c2ec1bc8cd68c0a3a2ab8902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e37a0d91fae313345dc21078a162764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a2eafb3dd274dd9b98d83c38e87802.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8703ba8e5650d3b93872074af40f9b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f124fb9eab689c537bb5ddf5012e35f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8c98eefb6fcff10193ba39a6fdb13e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d642a28caeb51a77877ea25b46ddbed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2 . 已知关于
的函数
为
上的偶函数,且在区间
上的最大值为10.设
.
(1)求函数
的解析式.
(2)若不等式
在
上恒成立,求实数
的取值范围.
(3)是否存在实数
,使得关于
的方程
有四个不相等的实数根?如果存在,求出实数
的范围,如果不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39a21c80ae3e990027ecea33bfb6424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85564659d145e38c0887d186db1c8573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba94b35258a2fbde34d7e26be524fb6e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e567c3e841ba226b51543b0dc43e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c4d001c51cf7b47102f641ded56b01b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6544efd3f7cea29d879628d508f0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2020-12-26更新
|
2315次组卷
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8卷引用:江苏省徐州市第一中学2019-2020学年高一上学期12月月考数学试题
名校
3 . 若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0937f5a8ad2afa56381cc9d584f6d3.png)
(1)当
时,设
所对应的自变量取值区间的长度为
(闭区间
的长度为
),试求
的最大值;
(2)是否存在这样的
使得当
时,
?若存在,求出
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0937f5a8ad2afa56381cc9d584f6d3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77bd2b5113133614c6ee86d670953565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e669d502287cab6a74d72fb4aa1ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65185cb5d67a482a7c86afc70fdbd230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)是否存在这样的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ede5cb0407ac7f334a726eeac5d89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a916b565f017ddad96d04077568bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e669d502287cab6a74d72fb4aa1ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知函数
.
(1)当
时,求
在
处的切线方程;
(2)令
,已知函数
有两个极值点
,且
,
①求实数
的取值范围;
②若存在
,使不等式
对任意
(取值范围内的值)恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732a081df910f7b85a9d29dd139e2e6c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005f2e6bee90297bd1c2c6533d29a87a.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7006220d33024798081a6f2c1d94c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58c4411628935f2c4a42095c9a644ca.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d001e8728b32aa28b83a9a36e674f9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1b8af65459ae7ef940ef1589ee4d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-03-17更新
|
1113次组卷
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7卷引用:天津市东丽区第一百中学2019-2020学年高三上学期第二次月考数学试题
天津市东丽区第一百中学2019-2020学年高三上学期第二次月考数学试题天津市西青区2019-2020学年高三第一学期期末考试数学试题2020届江苏省南京师大附属扬子中学高三下学期期初数学试题(已下线)强化卷07(3月)-冲刺2020高考数学之拿高分题目强化卷(山东专版)(已下线)专题08 巧辨“任意性问题”与“存在性问题(第一篇)-2020高考数学压轴题命题区间探究与突破天津市蓟州区第一中学2021届高三下学期模拟检测二数学试题(已下线)第七章 导数与不等式能成立(有解)问题 专题四 双变量能成立(有解)问题的解法 微点1 双变量单函数能成立(有解)问题的解法
5 . 对于函数
,若在定义域内存在实数x,满足
,其中k为整数,则称函数
为定义域上的“k阶局部奇函数”.
(1)已知函数
,试判断
是否为
上的“2阶局部奇函数”?并说明理由;
(2)若
是
上的“1阶局部奇函数”,求实数m的取值范围;
(3)若
,对任意的实数
,函数
恒为
上的“k阶局部奇函数”,求整数k取值的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a90095a108e5a9fccbaa622897c46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40c8739e310bc925cee0b6ab94d2c4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a80708bb56041678e6256ca37ec2355.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf1b1d9d637a0df38fa0384855107da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453a76c89656c24157b84e6f9a1a464a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfe943fc4da62df1564d5eae50168f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
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2020-02-19更新
|
1026次组卷
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4卷引用:江苏省五校(扬子中学、六合高中、高淳高中、江宁高中、 江浦高中)2019-2020学年高一上学期12月联考数学试题
名校
6 . 已知函数
,不等式
对
恒成立.
(1)求函数
的极值和函数
的图象在点
处的切线方程;
(2)求实数
的取值的集合
;
(3)设
,函数
,
,其中
为自然对数的底数,若关于
的不等式
至少有一个解
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9627dad36db7d25edad5e4391db232e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdab6cdeadd4f883f1fbd15653d8a649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a4df880ff8c0322708ca3048aa665c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a4df880ff8c0322708ca3048aa665c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd9af9d8560a40baa4f081ddcf45452.png)
(2)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4bb5aa475fe2019eb6fa89637738ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a2191c6a5f97bf2a1bbd536a5c9581.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1aa6018802b084afcd52baac82aa5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58345bdc3db5c7f1e6b764985bafd6af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845dc9e844467074bb2cf8bb95566206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2018-12-21更新
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787次组卷
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2卷引用:2020届河南省南阳市第一中学高三上学期期终考前模拟数学(理)试题
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7 . 如图所示,将一块直角三角形木板
置于平面直角坐标系中,已知
,点
是三角形木板内一点,现因三角形木板中阴影部分受到损坏,要把损坏部分锯掉,可用经过点
的任一直线
将三角形木板锯成
.设直线
的斜率为
.
![](https://img.xkw.com/dksih/QBM/2017/9/13/1773078348070912/1774098948423680/STEM/503f3c61625043379278d9c666ef7043.png?resizew=172)
(Ⅰ)求点
的坐标及直线
的斜率
的范围;
(Ⅱ)令
的面积为
,试求出
的取值范围;
(Ⅲ)令(Ⅱ)中
的取值范围为集合
,若
对
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc83f34b5a3c1dc09d990ce4bdc8e078.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0ebb89b7d83c0a4d1104e0107530d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5f75b19aa58ff52f47217a6882505d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/2017/9/13/1773078348070912/1774098948423680/STEM/503f3c61625043379278d9c666ef7043.png?resizew=172)
(Ⅰ)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(Ⅱ)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(Ⅲ)令(Ⅱ)中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be75fb2da563f2174921ef038acae85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839769901ce89e982e0ae7e836edee1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2017-09-14更新
|
2026次组卷
|
2卷引用:湖北省襄阳市第四中学2017-2018学年高二上学期第一次月考数学试题
名校
8 . 已知函数
,其中
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fca54800d6d494a6ddd1de957efde3c.png)
(1)当
时,求函数
的单调区间;
(2)设
,若
存在极大值,且对于
的一切可能取值,
的极大值均小于
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686029b9113496215d521ec89449b5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c83797dcf53cef1ccce1f8ea4d249f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fca54800d6d494a6ddd1de957efde3c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a333323e284662528c56ad5cf1bd8b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2017-10-06更新
|
645次组卷
|
2卷引用:重庆市第一中学2018届高三上学期第一次月考(9月)数学(理)试题
名校
9 . 已知函数
,
.
(Ⅰ)若
,求函数
在
的单调区间;
(Ⅱ)方程
有3个不同的实根,求实数
的取值范围;
(Ⅲ)当
时,若对于任意的
,都存在
,使得
,求满足条件的正整数
的取值的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6963c7a91f638764eeca157ca6adce24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe1abd3d67945dbdafaa8e57765c77d.png)
(Ⅱ)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13055766424f8f5c91a8c5099dc03205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅲ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10b6a6435e6f66a67f9f57fa60c69c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a5fc3009c0a28f8730b0a5f4b98419e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9540f894ac17cac2d5688a2287b8ba76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-05-16更新
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751次组卷
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2卷引用:2019届天津市静海县第一中学高三9月学生学业能力调研数学(理)试题
名校
10 . 已知函数
(
)在其定义域内有两个不同的极值点.
(I)求a的取值范围;
(II)记两个极值点分别为
,且
.已知
,若不等式
恒成立,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5124251b521fb2525f55b99ee9ff6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(I)求a的取值范围;
(II)记两个极值点分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5def2e680848aaf69b5a8c0f50ce05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2016-12-04更新
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782次组卷
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10卷引用:2016届辽宁省沈阳市高三教学质量监测一理科数学试卷