名校
解题方法
1 . 已知函数
(常数
).
(1)若
,且
,求
的值;
(2)若
,用函数单调性定义证明:函数
在
上是严格增函数;
(3)当
为奇函数时,存在
使得不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4aedd23a4c8919dd3b2af0df7f2cce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee708f92c52fba2937144d34a967dfee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f148f3e5650bb90bf0d7b28f0c83b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53224898de85a85058ad336490bbbaa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3091340651f67d7c8bbbe0adbcc22479.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,若对任意的
,都存在
,使得
,则实数
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71043e164dadc19e9f0999559ec750b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b424bbc2f301c0ce92ed914fd49fa98c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8d9bf457f53cb85055b7abd5f0854f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3fcd2a9f3546f1a6d1f67493efd9e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-12-24更新
|
1302次组卷
|
7卷引用:上海市崇明中学2023届高三上学期10月月考数学试题
上海市崇明中学2023届高三上学期10月月考数学试题上海市格致中学2023届高三下学期3月阶段性测试数学试题上海市松江区2022届高三一模数学试题(已下线)热点13 函数的图象与性质-2022年高考数学【热点·重点·难点】专练(全国通用)(已下线)解密03 函数(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(浙江专用)(已下线)数学-2022年高考押题预测卷01(上海专用)(已下线)专题03 函数的概念与性质(练习)-1
解题方法
3 . 已知有穷数列
、
(
),函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/94f52bd7-eb80-462e-b83f-122a7931d7a7.png?resizew=187)
(1)如果
是常数列,
,
,
,在直角坐标系中在画出函数
的图象,据此写出该函数的单调区间和最小值,无需证明;
(2)当
,
(
)时,判断函数
在区间
上的单调性,并说明理由;
(3)当
,
,
时,求该函数的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3b7a416df75d4f8670214153b9f5d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af44b29c584de1e16bb6f46a8d1b6c75.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/94f52bd7-eb80-462e-b83f-122a7931d7a7.png?resizew=187)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15ffa7fecea3704dc892ea8cd513c59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a8100f98999e472945ab7050af50d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367e788c32187ae2cc97aaa24da1d40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d9e81193c41bc99745568cf8c08f56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f812698a6f8b1e0041b1e08159a3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a899d786e1c9ca96e401f07bea4e55b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c512846522aa513bd39f4b320ca68506.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b80c1ed7b10ac7ca1cd81cdd39a8fcc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3393ba5ecb4e38bdcde190c8ffcaca92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc7c9137c7f1f0ce38a3b0cfd6d28696.png)
您最近一年使用:0次
4 . 在平面直角坐标系中,曲线
:
和函数
的图像关于点
对称.
(1)函数
的图像和直线
交于
、
两点,
是坐标原点,求证:
;
(2)求曲线
的方程;
(3)对于(2),依据课本章节《圆锥曲线》的抛物线的定义,求证:曲线
为抛物线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2329774440278b274651ca465704a856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a696e905221dce884831403801cb85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a696e905221dce884831403801cb85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa657237b62ba1ce4b2064e5f018fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac51bffb8f476896081027b33f7ec25d.png)
(2)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(3)对于(2),依据课本章节《圆锥曲线》的抛物线的定义,求证:曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
您最近一年使用:0次
2020-10-23更新
|
467次组卷
|
2卷引用:上海市崇明、金山区2021届高三上学期10月联考数学试题
名校
解题方法
5 . 已知函数
.
(1)当
时,若
,求
的取值范围;
(2)若定义在
上奇函数
满足
,且当
时,
,求
在
上的解析式;
(3)对于(2)中的
,若关于
的不等式
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9e079d16cd4a7942c21de7880dc641.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3710bb5777521ca27daf5a3e049ee0b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4919b9347ad5b2c4a65d20024c64e4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde272780b4ba07266b1de53235cc1ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2401f1358466ad761052b98564ae5873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8715d69eba6fe55144b769fa15f06124.png)
(3)对于(2)中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9ac957cbf0fa9aa1e6146b922e758f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2020-02-23更新
|
818次组卷
|
3卷引用:上海市崇明中学2023届高三上学期10月月考数学试题