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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20-21高二·全国·单元测试
解题方法
2 . 已知二次函数
,关于
的不等式
的解集为
,其中
为非零常数,设
.
(1)求
的值;
(2)
如何取值时,函数
存在极值点,并求出极值点.
(3)若
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3289d2e4520c5b872e814959bc3bed4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08bbe508332272fd1769bb2b87de3805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987ee644169ad93379283ae715d8ebf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbd77a292834deca9109cfeae8d00e9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6944a8bd2626880b18de6424a4400c60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e965748980da1f255beabd63032e56.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fff88dfd467a01b177854545de17534a.png)
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3 . 已知实数
,函数
.
(1)当
时,求不等式
的解集;
(2)当
时,求
在区间
上的值域;
(3)求实数
的范围,使得对于区间
上任意三个实数
,都存在以
为边长的三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce5431edbf9bd238dfe9a2e33848f30.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c35609e753bc89706364a7b7655178.png)
(2)当
![](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/497199a00f177af4c593e0e715be97f1.png)
(3)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d8ac7cb907ec1ca9b5caee0c3e4ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c5fe8a9ad42e52a8a40242865c6752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb5683c09a9ca563eb95de363974ef5.png)
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4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f81694c250c0107d608508c094f27f.png)
(1)当函数
有3个零点,求实数
的取值范围;
(2)当
取条件(1)下的取值时,设函数
有3个零点
,
,
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f81694c250c0107d608508c094f27f.png)
(1)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a42945a6ff4452dfbe550e0f28c82f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcefa1eadaa807e3fe6c61a2f8d2dea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5646305daf3f3a5c135d45dbe51aff69.png)
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名校
5 . 若无穷数列
满足
,
,则称
具有性质
.若无穷数列
满足
,
,则称
具有性质
.
(1)若数列
具有性质
,且
,请直接写出
的所有可能取值;
(2)若等差数列
具有性质
,且
,求
的取值范围;
(3)已知无穷数列
同时具有性质
和性质
,
,且
不是数列
的项,求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde2576b383ae3c851529435805b3adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3567869af3e34bcf1dd5f2124e544785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde2576b383ae3c851529435805b3adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6518163334e6b56dfa6ae7eb75f9a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bae03ee4ac75dacfb026290e4207dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
(2)若等差数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79bd31185a298a88fb51205d8b67aecd.png)
(3)已知无穷数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/5a0313eea2c65393728d83a287a8b799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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6 . 已知函数
(a为常数).
(1)若函数
是增函数,求a的取值范围;
(2)设函数
的两个极值点分别为
,
(
),求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213611317e843998c672932588cafe21.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e21ac584efecd770c2dd9d2e83803a.png)
您最近一年使用:0次
7 . 已知
有两个不同的零点
.
(1)求实数a的取值范围;
(2)若
,且
恒成立,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38572ad4ef879663d599510d64c4020f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2aabc96b7433bba077ceac76d8f0d75.png)
(1)求实数a的取值范围;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a42bb64f8a7ba48cd41e3163c33e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec2e06edc27a6930c32f3450b0fb928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
8 . 对于函数
及给定的实数
,若存在正实数t使得函数
在区间
和
上同为增函数或同为减函数,则称函数
为区间
上的
函数;
(1)已知
,请指出函数
是否为区间[0,1]上的
函数(不需要说明理由);
(2)已知
,且函数
是区间
上 的
函数,请写出t的所有取值,并说明理由;
(3)若函数
既是区间
上的
函数又是区间
上的
函数,当α、β取遍所有可取的值时,求出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c1b52a92fd3dc776c43fa5ff1e3be9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa38149578f22f9e1e2bd481dade72de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40af4dded142fd56ff3dc505a3751d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c1b52a92fd3dc776c43fa5ff1e3be9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3c22079495aace7a6e1a6c7d36f6d9.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42acea836df9ca7c237b52df778c21a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1396f59915eb245c39a974fc778e9cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d4235095bdb902078a2a515af9e3d2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c599ff76117b8493cb817c03329786a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3c22079495aace7a6e1a6c7d36f6d9.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab4f92366ae95454b50ff6219155900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92de12037343c43634104d23fa4e08c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882427a7e4ab8a9d62922051b707049a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd53169f0e89a6bccdbc4603bc1cff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd12996c1ba5de97286e5bb2dc1e90f.png)
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名校
9 . 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)
您最近一年使用:0次
2020-12-26更新
|
2313次组卷
|
8卷引用:江苏省扬州市2017~2018学年度高一第一学期期末调研测试数学试题
名校
10 . 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
|
1111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