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1 . 已知函数
对任意x满足:
,二次函数
满足:
且
.
(1)求
,
的解析式;
(2)若
,解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d094f24ee78ea304418a31dad4ae62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26fc07003acd1957e27825ac150b402b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6808909ac63a6b2f9d32c08cb793724.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7007d13d5273c7ad1e5aad48ba7e3339.png)
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解题方法
2 . 已知
,
,则下列叙述中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.“![]() ![]() |
D.若![]() ![]() |
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3 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e71d91a9a210264f72a950e09e5084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e2ef69071ce8e7758b86370c6b0bf2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-06-05更新
|
792次组卷
|
2卷引用:河北省衡水市2024届高三下学期大数据应用调研联合测评( VIII)数学试题
名校
4 . 已知函数
,其导函数为
,集合
,
,若A B,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153a430f99c4004a94325ab49d84dc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd6895df6cb633f5d9de2bd8cf1c29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d450142eb4c0dd50187307ebe90e631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知等差数列
的前n项和为
,且
,
,若对于任意的
,不等式
恒成立,则实数x可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42c3865acf6c7eae133c6ea341fe96c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4799629218b4b62ffa4082b96888e3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6995e4f0b8e87b34b8b0271325bcacb.png)
A.![]() | B.0 | C.1 | D.2 |
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2024-04-13更新
|
953次组卷
|
4卷引用:河北省重点高中2024届高三下学期5月模拟考试数学试题(一)
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解题方法
6 . 已知函数
.
(1)若不等式
的解集为
,求实数a的值;
(2)
时,
恒成立,求实数x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585c861f339d170f806e3e31f1fe95fa.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfdecc7f8089cb23c20d0a93ee1b601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42226c99901dbfc0b75ec3a2deb611a2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b98ffee92a7948602e86e7ffa5dd1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6beda797b9b42f555d84a3211ed12df9.png)
您最近一年使用:0次
2024-04-11更新
|
437次组卷
|
2卷引用:河北省衡水市第二中学2023-2024学年高二下学期5月学科素养检测(二调)数学试题
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7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d431c617bac3e68f42ffa04f9a271e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f1b0858395d2424dc96616173c4b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 设集合
,若关于
的不等式
的解集为
.
(1)求函数
的解析式;
(2)求关于
的不等式
的解集,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0eae3f33f00a7d50a6ee127f671e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2107eaccec2bf13526b6d3e5a3586e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10eb13ecc3eb6d6c155882e0b70b083d.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58300147bcdf259856d7ec5ffe0af5a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e87088da41685cc8d433fbbe0e18d6.png)
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解题方法
9 . 若命题“
,
”是假命题,则k的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c363b16c9afcfb918fc3eee6cda2a01d.png)
A.0 | B.1 | C.2 | D.3 |
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解题方法
10 . 已知函数
,若
对于任意
恒成立,则实数k的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14327fdeffbd47c8ccf03b7c115f35dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee44b9932805a49e46a24a0e21a13eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
您最近一年使用:0次