名校
1 . 已知
是二次函数,且满足
,
,
(1)求
的解析式
(2)当
,其中
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fca50313a7e4f2a8655808d41dc19e3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68513f9f7c2cf34c34d4aadc4433cf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2021-12-10更新
|
820次组卷
|
3卷引用:江苏省无锡市天一中学2021-2022学年高一(强化班)上学期期中数学试题
名校
解题方法
2 . 已知函数
.
(1)若函数
在区间[1,2]上单调,求实数m的取值范围.
(2)若函数
在区间[1,2]上的最小值小于m,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ec50018322795c0c9d1ebdbc38435c.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)若关于x的方程f(x)=1有两个不相等的实数根,求实数a的取值范围;
(2)从下面两个条件中选一个,证明:f(x)在区间I上是增函数.
①a>0,I=
;
②a<0,I=
.
注:如果选择多个条件分别解答,则按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325cd3e57465c5cc93f068c94c2b8f7f.png)
(1)若关于x的方程f(x)=1有两个不相等的实数根,求实数a的取值范围;
(2)从下面两个条件中选一个,证明:f(x)在区间I上是增函数.
①a>0,I=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c9c00cbd7e685fd60cd43b6f992647.png)
②a<0,I=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9414348d57c7fc77dcfa8f0744cb0c9.png)
注:如果选择多个条件分别解答,则按第一个解答计分.
您最近一年使用:0次
4 . 已知函数
,
,
.
(1)若
恒成立,求
的取值范围;
(2)若
最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0e3585767b4e70c526726a7b73b379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-12-05更新
|
399次组卷
|
2卷引用:江苏省连云港市东海县2021-2022学年高一上学期期中数学试题
名校
解题方法
5 . 已知函数
是定义在R上的奇函数,且当
时,
,现已画出函数
在y轴左侧的图象,如图所示.
![](https://img.xkw.com/dksih/QBM/2021/11/25/2858959858524160/2865431132790784/STEM/4971501603e64d468dcca4e7309e5059.png?resizew=166)
(1)请将函数
的图象补充完整,并写出
的解析式及其单调区间;
(2)若函数
,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5397ee1eb6d157f6ec1e7a878f8d16e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/2021/11/25/2858959858524160/2865431132790784/STEM/4971501603e64d468dcca4e7309e5059.png?resizew=166)
(1)请将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dbb70efb53fdd394d7eb8f7720629c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7871d0f30414e42dc837b014209a18a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
2021-12-04更新
|
431次组卷
|
6卷引用:江苏省常州市“教学研究合作联盟”(常州市第二中学、奔牛高级中学等五校)2021-2022学年高一上学期期中联考数学试题
江苏省常州市“教学研究合作联盟”(常州市第二中学、奔牛高级中学等五校)2021-2022学年高一上学期期中联考数学试题广东省佛山市南海区西樵高级中学2021-2022学年高一上学期中段考试数学试题云南省昆明市第十四中学2023-2024学年高一上学期期中考试数学试卷四川省成都外国语学校2021-2022学年高一上学期10月月考数学试题(已下线)专题3.2 函数的基本性质-《聚能闯关》2021-2022学年高一数学提优闯关训练(人教A版2019必修第一册)河南省三门峡市渑池县第二高级中学2023-2024学年高一上学期11月月考数学试题
解题方法
6 . 若函数
的定义域为
,值域为
,则称
为
的“
倍跟随区间”;特别地,若函数
的定义域为
,值域也为
,则称
为
的“跟随区间”.
(1)若函数
的“2倍跟随区间”为
,求
的值;
(2)函数
是否存在跟随区间
,其中
,若存在,求出
的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62e0a7ec931569bcc9c911f2c249d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c55af4de5aa4680860a6e875bdb3fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454afe0fc4a8c1b80b18f9d21d38971a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dee7503a6cbb7ab3b2fd5832feecf3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a0a547c81fe36ab8c3ea79622ce7ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
您最近一年使用:0次
名校
7 . 已知
,函数
.
(1)判断函数
的奇偶性,请说明理由;
(2)设
,求函数
在区间
上的最小值;
(3)设
,函数
在区间
上既有最大值又有最小值,请分别求出
、
的取值范围.(只要写出结果,不需要写出解题过程)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db58afeac1cfe83233a8887e16f59b7.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2ec965488c7e1cea085463c7731285.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
解题方法
8 . 已知函数
(
,
).
(1)若
在
上单调递减,求实数
的取值范围;
(2)当
时,函数
的最小值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac53b8a14464ff2bfc7b985cb265e210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4a226feca9d9095b0f68191245ed22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37eb1578cd454f742243be4bdd618d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
9 . 设二次函数
.
(1)若
是函数
的两个零点
,且
最小值为
.
①求证:
;
②当且仅当a在什么范围内时,函数
在区间
上存在最小值?
(2)若任意实数t,在闭区间
上总存在两实数m,n,使得
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061710be05db3618bfba00d90d594ba7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b5f32c09caa0be0d4c33be07aa4530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5060ad37c403f248c937c1d59af5c71.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afd9e226c9e45f674286910bc495e0d.png)
②当且仅当a在什么范围内时,函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14175d995a55d42e949223652b43e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f803a468e5d66004e57372a5bf2c5e1b.png)
(2)若任意实数t,在闭区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43c4ba99bf7f402ae720f7f7a2136e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20069e7e2e867dd249d09278268c3b0.png)
您最近一年使用:0次
2021-11-27更新
|
647次组卷
|
3卷引用:江苏省常州市溧阳中学2021-2022学年高一上学期期中数学试题
名校
解题方法
10 . 已知函数
的定义域为A.
(1)当
时,写出
单调增区间;
(2)若
,求a的取值范围;
(3)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11de19f5f6133d0bead5a12a26d41fa1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27b6c1f267d7b820b64f5782c6466de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be21aedaa156445c940cacc43751daf7.png)
您最近一年使用:0次