解题方法
1 . 已知二次函数
的值域为
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377ea6fb78b8a7735facd8bcf029dacc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf11bc0cf62c05c6f7238328038b85d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
名校
解题方法
2 . 二次函数
在
上最大值为1,则实数a值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b79132dca627eb5b98462b9ae87fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967464dacc672f441135ec90a75c15c6.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知函数
,
,若
,
,使得
,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820129cdf68aa134a0b14619e07ad047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6a2ac9092aed15e4b486291b9f98e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db37a30cc9c01c37f6f14ba27c898f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-07-12更新
|
661次组卷
|
2卷引用:北京市首都师范大学附属中学2023-2024学年高二下学期6月月考数学试题
解题方法
4 . 已知
在
上恒成立,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22068c1291e6f1619dc5851be1516b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.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
5 . 已知函数
在
上的值域为
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d04bc8acef84b3e2b68c8647a61cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe66b327f503b14b2ddc5260de454da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
您最近一年使用:0次
2024-07-07更新
|
508次组卷
|
2卷引用:辽宁省部分学校2023-2024学年高二下学期6月份阶段考试数学试卷
名校
解题方法
6 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
时,
的最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b23fabe4b8c9810a3e043dfc27ffc7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a81e971f501d78f5560c0c3d42f0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1a722a2595fdc71462654b764ee49d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24aa16b780156e18f12baa2b8ee0f9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-06-13更新
|
492次组卷
|
2卷引用:四川省乐山市五通桥中学2023-2024学年高一上学期期中数学试题
名校
解题方法
7 . 若函数
的值域为
,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d13f73d8ca58241757185c456c93c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-06-05更新
|
1088次组卷
|
5卷引用:云南曲靖市马龙区第一中学2023-2024学年高一上学期11月月考数学试卷
名校
解题方法
8 . 设
,函数
的定义域为
.若对满足
的任意
,均有
,则称函数
具有“
性质”.
(1)在下述条件下,分别判断函数
是否具有
性质,并说明理由;
①
; ②
;
(2)已知
,且函数
具有
性质,求实数
的取值范围;
(3)证明:“函数
为增函数”是“对任意
,函数
均具有
性质”的充要条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e91900d96c757f03f6d48dcb23475a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60eab72de85437e12806474281612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7035e1cac10b360faa05302dd44ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa8264eb8eea3025a152318df8720b1.png)
(1)在下述条件下,分别判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bea0dd7e474bcd04db2544427ba0488.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c28d0af727db85eef9e2126e338a3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a80fbabc43357b14a5f7cfce67e1a90.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2af80ec7d3582c369e02c6b4473ede9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8f894492a8126f5f133dec4cd68833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)证明:“函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e409849c921f4868c5a78abffb9f74bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa8264eb8eea3025a152318df8720b1.png)
您最近一年使用:0次
2024高三·全国·专题练习
解题方法
9 . 已知函数
的值域为
,则实数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b92853f022f31a99620d87fbba155e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40589156c7cb0d31d3ddfcff8ca4a183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
10 . 已知函数
,设
,
.且关于
的函数
.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26af862ac8e4e2fe03204b0463a7a789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5954cca8533e3392b0e88b5e618e7e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8793f866a3eb72d4785604035e7f9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0f5ae54c95fc4b8dbd885bc35fdfb8.png)
A.![]() ![]() |
B.![]() |
C.当![]() ![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次