名校
1 . 定义非零向量
若函数解析式满足
,则称
为向量
的“
伴生函数”,向量
为函数
的“源向量”.
(1)已知向量
为函数
的“源向量”,若方程
在
上有且仅有四个不相等的实数根,求实数
的取值范围;
(2)已知点
满足
,向量
的“
伴生函数”
在
时取得最大值,当点
运动时,求
的取值范围;
(3)已知向量
的“
伴生函数”
在
时的取值为
.若在三角形
中,
,
,若点
为该三角形的外心,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefeca842285cfe6a09ee79a8d4108d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeb34e5f4dbd027466a86df156fa7c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(1)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801d2cd298e1db6dc7bad6fc634988f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750b32f4a65ac47869454623571acaac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646ff4c9568c69355999bd80def2d8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7325df3658628e64a870bd4670e10a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/303da3900e7d236e218a004f1a1b7e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0497ee4207717773f0154aaa594a6123.png)
(3)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a359f9aeb5add5377519c6f7650ae6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f196f6236188084f3b2c9f2b68c05c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da3e0f58ca588ad6103788815c053fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15167b49aad18e17a3b4e58ad6b61c13.png)
您最近一年使用:0次
2024-02-27更新
|
692次组卷
|
6卷引用:山东省北镇中学2023-2024学年高一下学期开学考试数学试题
名校
解题方法
2 . 已知
.
(1)若
在
恒成立,求a的范围;
(2)若
有两个极值点s,t,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7da9eb2cdd67177dc3b0f615c7c7a19.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad491390dd1b066b3e819e11ef1ac4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48e85d79f939f2a62255794041b3722.png)
您最近一年使用:0次
2024-02-27更新
|
927次组卷
|
4卷引用:山东省部分名校2023-2024学年高三下学期2月大联考数学试题
3 . 已知函数
在定义域内存在实数
和非零实数
,使得
成立,则称函数
为
“伴和函数”.
(1)判断是否存在实数
,使得函数
为
“伴和函数”?若存在,请求出
的范围;若不存在,请说明理由;
(2)证明:函数
在
上为“
伴和函数”;
(3)若函数
在
上为“
伴和函数”,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d997370660bb52bc868bd4b281a77bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)判断是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/986f68a516fe7cc336a4a19c29a59d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d92505f3a1168e8e11eeab4be680f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
在区间
上是单调函数
(1)求实数m的所有取值组成的集合
;
(2)试写出
在区间
上的最大值
;
(3)设
,令
,对任意
,都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8546e90cc8a674a6ac35ada6d94077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
(1)求实数m的所有取值组成的集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)试写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1987ecbd076d89da5ef1e2561d79d857.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b35198b079edaa66c4ee701f9a2964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7879c53f7ae6a41a900c9bf630c30f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930995172d12e12d8173aec823f1982b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5eb1e81ec6f44e4cb59ce214b949a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-12-03更新
|
473次组卷
|
2卷引用:山东省莱西市第一中学2023-2024学年高一上学期优质班月考统一测试数学试题
名校
5 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3054f6783d5458e354a2f8efdf925b5f.png)
(1)若a=1,且f(x)≥m在(0,+∞)恒成立,求实数m的取值范围;
(2)当
时,若x=0不是f(x)的极值点,求实数a的取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3054f6783d5458e354a2f8efdf925b5f.png)
(1)若a=1,且f(x)≥m在(0,+∞)恒成立,求实数m的取值范围;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c67a7e28dba059006021a2e2105f538.png)
您最近一年使用:0次
2020-05-07更新
|
1346次组卷
|
10卷引用:山东省济宁邹城市第一中学2020届高三下学期第五次模拟考试数学试题
山东省济宁邹城市第一中学2020届高三下学期第五次模拟考试数学试题湖南省长沙市雅礼中学2019-2020学年高三下学期第九次月考理科数学试题黑龙江省哈尔滨市第六中学校2020届高三第二次模拟考试数学(理)试题四川省棠湖中学2020届高三第二次高考适应性考试数学(文)试题四川省棠湖中学2020届高三第二次高考适应性考试数学(理)试题(已下线)专题21 函数与导数综合-2020年高考数学(理)母题题源解密(全国Ⅲ专版)黑龙江省哈尔滨六中2020届高三高考数学(理科)二模试题四川省内江市威远中学2020-2021学年高三12月月考数学(理)试题四川省泸州市泸县第一中学2022届高三高考适应性考试数学(文)试题四川省泸州市泸县第一中学2022届高三高考适应性考试数学(理)试题
6 . 设
,记
.
(1)若
,当
时,求
的最大值;
(2)
,且方程
有两个不相等实根m,n,求mn的取值范围;
(3)若
,且a,b,c是三角形的三边长,求出x的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c812e569a98b27ce189fb4ce5f0d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44904a461cfcd1b9877416434b681d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2269110e9702a694aeb4855b2d993781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06df4c08481194783d9f7f39ccbf7de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05503cdd30e40ada3f94372cd0442066.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269276cba411c7fa9664687c1bb01243.png)
您最近一年使用:0次
7 . 已知二次函数
的对称轴为
,
.
(1)求函数
的最小值及取得最小值时
的值;
(2)试确定
的取值范围,使
至少有一个实根;
(3)若
,存在实数
,对任意
,使
恒成立,求实数
的取
值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb08dcbe16059bfc924ae48d3f80cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d2605beb4dfa4e61f9ccf995a3e21d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)试确定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f6cd0fcfd7db0409d237dc20e1862f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a9f6568ef1fb08cb144137e3493eaa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ebb5b5cd62de76b50be3e7fe2f6ad4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a94fff382fd75609a7f518d8746902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
值范围.
您最近一年使用:0次
名校
8 . 已知
为实数,函数
.
(1)若
是函数
的一个极值点,求实数
的取值;
(2)设
,若
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84d0bc1221cb1737a52848bd83b93bd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb1161e72920a3420e0060f227842ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c1eae628361a02d3301b15b2ee2656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/676435d84294be8df88f2840907c4b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-09-23更新
|
1409次组卷
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8卷引用:山东省栖霞市第一中学2018届高三4月模拟考试数学(理)试题
山东省栖霞市第一中学2018届高三4月模拟考试数学(理)试题广西桂林市柳州市2018年届高三综合模拟金卷(1)理科数学试题广西桂林市柳州市2018年届高三综合模拟金卷(1)文科数学试题黑龙江省牡丹江市第一高级中学2018-2019学年高二下学期期末数学(文)试题四川省宜宾市叙州区第一中学校2019-2020学年高二下学期第四学月考试数学(文)试题陕西省榆林市定边县第四中学2023届高三上学期第二次月考理科数学试题安徽省合肥市庐江县五校2022-2023学年高三上学期期末联考数学试题(已下线)第七章 导数与不等式能成立(有解)问题 专题一 单变量不等式能成立(有解)之参变分离法 微点1 单变量不等式能成立(有解)之参变分离法
9 . 设函数
.
(1)若
,且
,求
的值;
(2)若
,记函数
在
上的最大值为
,最小值为
,求
时的
的取值范围;
(3)判断是否存在大于1的实数
,使得对任意
,都有
满足等式:
,且满足该等式的常数
的取值唯一?若存在,求出所有符合条件的
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e50b9b24dee873be017927d4a0a787.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383c71d6c2ce3b9fc8d9f5209c3b4840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d195ac04265a3d126c1bcb228123c5db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c89672dd95a2ea8f173a1fa04289a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d664e9ea8088c35bb6b0550f18675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a74830137848684ebdda8feef76045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)判断是否存在大于1的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d453d5aa1eb6cdcb9594cb9f60972e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01541a9b8175d0d1c15eacc909a87c6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700595a3584e02b0ea0cb12ee4c24287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
10 . 已知函数
,
.
(1)求不等式
的解集;
(2)若存在
使关于
的方程
有四个不同的实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c58f5d95f7596a03e3f2f872ad747b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34f42b3be15518c29e3689c9fe6d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2fe59a52844fa7229361cc5cbc625e.png)
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3卷引用:山东省青岛平度市第九中学2023-2024学年高一上学期12月月考数学试题
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