在
中,
,
,
,动点
从点
出发沿着折线
运动(含端点),运动速度为每秒2个单位,设运动时间是
秒,
的长度是
,请解答下列问题:
与
的函数关系式及
的取值范围;
(2)在平面直角坐标系中画出函数图象,并结合函数的图象,写出该函数的一条性质;
(3)根据图象直接写出当
时,自变量
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0763b031b7e6b6d87ce3554ac482d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ebb33adb2310a6e03918761e68204a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d0984bb4715e5e6100153012ddc5c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)在平面直角坐标系中画出函数图象,并结合函数的图象,写出该函数的一条性质;
(3)根据图象直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851056fc23fb783cff70b80c139e6ac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
更新时间:2024-05-07 08:16:46
|
相似题推荐
解答题-问答题
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【推荐1】我们知道一次函数的图象是一条直线,又因为“两点确定一条直线”,从而我们把画一次函数图象简化成“定两点,画图象”的简易方法,下面就是用这种简易方法画一次函数y=
x﹣2图象的过程.请你回答下列问题.
(1)列表,把表补充完整;
(2)描点并连线得(如图);
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/2514a93d-1c61-49df-8079-3b41f6e95526.png?resizew=216)
(3)请你写出一个点的坐标,要求这个点在一次函数y=
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)列表,把表补充完整;
x | … | 0 | … | |
y=![]() | … | 0 | … |
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/2514a93d-1c61-49df-8079-3b41f6e95526.png?resizew=216)
(3)请你写出一个点的坐标,要求这个点在一次函数y=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
您最近一年使用:0次
解答题-作图题
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【推荐2】已知一次函数的图象经过(2,5)和(-1,-1)两点,
(1)在给定坐标系中画出这个函数图象,
(2)求这个一次函数解析式.
(1)在给定坐标系中画出这个函数图象,
(2)求这个一次函数解析式.
您最近一年使用:0次
解答题-作图题
|
较易
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【推荐1】直线
与直线
相交于点P,它们与轴分别交于点A、B.
![](https://img.xkw.com/dksih/QBM/2022/12/14/3130509305241600/3130864996425728/STEM/1acd16764d414b96ae8e1f3718c6a700.png?resizew=319)
(1)画出图象;
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;
?
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24229016b7d186b7b55468ac5b457861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/452310dd4b13a923c3471f0c0f95c414.png)
![](https://img.xkw.com/dksih/QBM/2022/12/14/3130509305241600/3130864996425728/STEM/1acd16764d414b96ae8e1f3718c6a700.png?resizew=319)
(1)画出图象;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292c47f62023b747f1a4bd615c75284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df86b0da538701c08fb214608e062372.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/935e0bdbdda5d88c56296ba7926b3cc9.png)
您最近一年使用:0次
解答题-问答题
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较易
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【推荐2】如图,在平面直角坐标系中,直线
分别与
轴、
轴交于点
、
,且与直线
交于点
.
(1)求出
、
、
的坐标;
(2)直接写出关于
的不等式
的解集;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ae056c795083f4503f2e9cde8a39eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/2b2d9ec71eaf17ea03ecba48b9a469a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/16/c2e3b03d-a225-4ca5-bed7-998150a7af6a.png?resizew=160)
(1)求出
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直接写出关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4328da5a3e34c3194b9800e44117913.png)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
【推荐1】已知一次函数
.
(1)在下面的平面直角坐标系内画出该一次函数的图象.
轴,
轴的交点分别为点A,B,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30fd97fafb3779aa4f4660f41e2939.png)
(1)在下面的平面直角坐标系内画出该一次函数的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a711bf44ed64556c72fbb0e7f42c27f.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图,已知点
,
是函数
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(2)求直线
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(3)方程
的解为___________.(请直接写出答案)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70bc6c63dd1f779b07bdd70060a511f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3aade610106c514fd8046a1bac8b03b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5324645d81b339fa25ccb2951f77e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(3)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8b3db1e4116ff5dfbc071687600d15c.png)
您最近一年使用:0次