名校
1 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/2022/2/16/2897018205675520/2918333110239232/STEM/3549bddf1e9b449e8f9d13dc109375c9.png?resizew=270)
(1)画出
的图象,并根据图象写出
的递增区间和递减区间;
(2)当
时,求函数
的最小值,并求y取最小值时x的值.(结果保留根号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adaa5b750211a0524fd66498aa0e8a57.png)
![](https://img.xkw.com/dksih/QBM/2022/2/16/2897018205675520/2918333110239232/STEM/3549bddf1e9b449e8f9d13dc109375c9.png?resizew=270)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e82cc461b9607e08a8b31597f6d26df.png)
您最近一年使用:0次
2022-02-17更新
|
803次组卷
|
6卷引用:湖南省邵阳市隆回县2021-2022学年高一上学期期末数学试题
湖南省邵阳市隆回县2021-2022学年高一上学期期末数学试题2023版 苏教版(2019) 必修第一册 名校名师卷 第七单元 函数的单调性、函数的奇偶性(A卷)2023版 湘教版(2019) 必修第一册 名师精选卷 第六单元 函数的基本性质A卷(已下线)专题19 函数的基本性质 (1)陕西省铜川市耀州中学2022-2023学年高一上学期期末数学试题(已下线)第三章 函数的概念与性质 讲核心 02
名校
解题方法
2 . 设矩形
(
)的周长为
,把
沿
向
折叠,
折过去后交
于点
,设
.
(1)画出折叠后的平面图形;
(2)求
的最大面积及相应
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9199a3de404cb13ae7710f73db5c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689ff84e2d7f52c7446ef789a54557da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a76a274e6b3c0c147606e178f35c56.png)
(1)画出折叠后的平面图形;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da7bcea5a45eeae211f5851f12a7517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
3 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/2020/7/4/2498208255852544/2499529766445056/STEM/2e0fcc6e2ce44452bb37dffe9c364c2e.png?resizew=284)
(1)在直角坐标系中,画出函数
的图像;
(2)设
的最小值为m,若实数
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9cb12e07ffe363d574358b4a02eb0c0.png)
![](https://img.xkw.com/dksih/QBM/2020/7/4/2498208255852544/2499529766445056/STEM/2e0fcc6e2ce44452bb37dffe9c364c2e.png?resizew=284)
(1)在直角坐标系中,画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3644994397fab062669bab9f09441ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcccbceca353de17f318fe384f965e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5b474ebbe652a21168cea18d3133f7.png)
您最近一年使用:0次
名校
4 . 设x,y满足约束条件
.
![](https://img.xkw.com/dksih/QBM/2021/1/30/2647331145015296/2651466964393984/STEM/9e807cb78e5245f89be8007b8009797d.png?resizew=378)
(1)在如图所示的网格中画出不等式组表示的平面区域;
(2)若目标函数
的最大值为1,求
的的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bdde1266feebbb0dc38099673ed4755.png)
![](https://img.xkw.com/dksih/QBM/2021/1/30/2647331145015296/2651466964393984/STEM/9e807cb78e5245f89be8007b8009797d.png?resizew=378)
(1)在如图所示的网格中画出不等式组表示的平面区域;
(2)若目标函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef585486cab9ba889ec0f06596254e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c47585fd16a8937585f8d56f9e3795.png)
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2021-02-05更新
|
316次组卷
|
2卷引用:江西省上饶市2020-2021学年高二上学期期末数学(文)试题
名校
解题方法
5 . 设x、y满足约束条件![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea454e03a2633983c6cd7fe0ecd00f7.png)
(1)画出不等式组表示的平面区域,并求该平面区域的面积;
(2)若目标函数z=ax+by(a>0,b>0)的最大值为4,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea454e03a2633983c6cd7fe0ecd00f7.png)
(1)画出不等式组表示的平面区域,并求该平面区域的面积;
(2)若目标函数z=ax+by(a>0,b>0)的最大值为4,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78410e319c161047753e7b5c127aaba3.png)
您最近一年使用:0次
2020-09-09更新
|
391次组卷
|
4卷引用:【全国百强校】安徽省淮南市第二中学2017-2018学年高一下学期期末考试数学试题
【全国百强校】安徽省淮南市第二中学2017-2018学年高一下学期期末考试数学试题(已下线)专题3.3+二元一次不等式组及简单线性规划问题(基础练)-2020-2021学年高二数学十分钟同步课堂专练(苏教版必修5)(已下线)第3章+不等式(能力提升)-2020-2021学年高二数学单元测试定心卷(苏教版必修5)吉林省吉林市吉化一中2019-2020学年高一下学期期末(文科)数学试题
6 . 利用图示说明不等式
成立,并画出不等式中等号成立时相应的图示.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b38cc10e215e0ee74945e3ea07cedda.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/24/feb5f82f-9749-4f07-a06b-ce970b2c9707.png?resizew=133)
您最近一年使用:0次
7 . 选修4-5:不等式选讲
已知函数
.
(1)在图的坐标系中画出
的图象;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/a7f9bc58-6fbd-437e-b1a3-9a03ef45001a.png?resizew=221)
(2)若
的最小值为
,当正数
,
满足
时,求
的最小值.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9527ed65d2740d81ea949515c7ebd954.png)
(1)在图的坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/a7f9bc58-6fbd-437e-b1a3-9a03ef45001a.png?resizew=221)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8acc7885b7af2fccf3fb1056066203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219ba6c8a1b54598db1a78cab28d9d30.png)
您最近一年使用:0次
2011高一·安徽蚌埠·学业考试
8 . 已知函数
.
(1)在图的坐标系中画出
的图象;
![](https://img.xkw.com/dksih/QBM/2011/5/20/1570213716729856/1570213721702400/STEM/62f5b2cd20ce42bab46f5660d4356ed3.png?resizew=259)
(2)若
的最小值为
,当正数
,
满足
时,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9527ed65d2740d81ea949515c7ebd954.png)
(1)在图的坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/2011/5/20/1570213716729856/1570213721702400/STEM/62f5b2cd20ce42bab46f5660d4356ed3.png?resizew=259)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8acc7885b7af2fccf3fb1056066203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219ba6c8a1b54598db1a78cab28d9d30.png)
您最近一年使用:0次