已知二次函数
,恒有
.
(1)求函数
的解析式;
(2)设
,若函数
在区间
上的最大值为3,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d7ed6f4b0e08cd887d2fdc2a5e37e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7754c358b6b60459d71b22059cee5c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6785823721fb2e288b417ba2d617ef04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
23-24高一上·江苏南通·阶段练习 查看更多[8]
(已下线)江苏省南通市如皋市2023-2024学年高一上学期教学质量调研(一)数学试题江苏省徐州市中国矿业大学附属中学2023-2024学年高一上学期教学质量调研(一)数学试题(已下线)专题10函数的基本性质-【倍速学习法】宁夏回族自治区银川市第二中学2023-2024学年高一上学期期中考试数学试题(已下线)单元高难问题02函数恒成立问题和存在性问题-【倍速学习法】河北省郑口中学2023-2024学年高一上学期10月质量检测试数学试卷安徽省淮北市树人高级中学2023-2024学年高一上学期第二次阶段考试数学试题河北省邯郸市磁县第一中学2023-2024学年高一上学期五调考试数学试题
更新时间:2023-10-15 20:40:08
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【推荐1】已知函数
的定义域是
,设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eafa5f7cd410edf4af46f0dbf426363a.png)
(1)求
的解析式及定义域;
(2)若
,求函数
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6bfefa5b41faae17987876d570685d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eafa5f7cd410edf4af46f0dbf426363a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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【推荐2】设命题
对任意
,不等式
恒成立;命题
存在
,使得不等式
成立.
(1)若非
为假命题,求实数
的取值范围;
(2)若命题
或
为真命题,命题
且
为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7325bb368de012fac49eaa50932c289f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ecfade60615befc6e6dcc0f860ad20.png)
(1)若非
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐1】已知函数
(a、
),满足
,且
时,
恒成立.
(1)求a、c的值;
(2)若函数
在区间
上有最小值–5,请求出实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67eb334c4b43c383b80cc718fb50fdd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704dab5ebce359cb86966fea5106de77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196be101149acfb6a6c4ceca7fc96828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9322dd8f56b5f8d2c667fdf0d4a9f9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(1)求a、c的值;
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613554940b48197cfb677e1b8052c06d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0442422375b46ed9da57921893797f2a.png)
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【推荐2】已知二次函数
的最小值为
,且
.
(1)求函数
的解析式;
(2)求函数
在区间
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8691ac12ce846a79774d42010a1adb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3e441923ed3c1a32720d6aeac2f599.png)
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