给出如图所示程序框图,令输出的
.若命题
,
为假命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17cdca360d4061bfc233f0b40e386bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019c746f0f3c7a1432efe8847dae59c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/3feec6c1-0b8a-48c2-9397-1019b2516f0f.png?resizew=375)
更新时间:2020-03-21 09:26:01
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【推荐1】已知
,命题
.
(1)判断
是全称量词命题,还是存在量词命题;
(2)若
均为真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3276b5e12396fc4753eb3f8254f9fa68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3444d49c2de8c01c3995e84e90ec6d2.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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【推荐2】(1)已知集合
,
.求能使
成立的实数
的取值范围;
(2)已知命题
,
为假命题,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe06c5fec138ea16d554839caec51ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30d08b3e0b73ef478264b6ec14c41443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83e82639a9124007e27fbec3681807c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072c300a8d75385dbe53caeb2514fa00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】在边长为4的正方形
的边上有一点
,沿着折线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58140fed320b904794b2b771f235950.png)
由点 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
( 起点 ) 向点 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
( 终点 )运动.设点
运动的路程为
,
的面积为
,且
与
之间的函数关系式用如图所示的程序框图给出.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/2/59ce9105-efc9-47d4-bba6-0ad6bf7c4977.png?resizew=376)
(1)写出程序框图中①,②,③处应填充的式子.
(2)若输出的面积
值为6,则路程
的值为多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58140fed320b904794b2b771f235950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2cc5f8cec8c498aa12c99c04e1c97d.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/2/59ce9105-efc9-47d4-bba6-0ad6bf7c4977.png?resizew=376)
(1)写出程序框图中①,②,③处应填充的式子.
(2)若输出的面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐2】已知函数
对应的程序框图如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/c5456759-d753-445b-ac93-f49f53ca0139.png?resizew=246)
(1)若输入
的值为
,求输出的结果;
(2)若输出
的值为
,求输入的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/c5456759-d753-445b-ac93-f49f53ca0139.png?resizew=246)
(1)若输入
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(2)若输出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
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【推荐1】《中华人民共和国乡村振兴促进法》中指出:全面实施乡村振兴战略,开展促进乡村产业振兴、人才振兴、文化振兴、生态振兴、组织振兴,推进城乡融合发展.为深入践行习近平总书记提出“绿水青山就是金山银山”的理念,围绕“产业发展生态化,生态建设产业化”思路.某乡镇为全力打造成“生态特色小镇”,调研发现:某种农作物的单株产量
(单位:
)与肥料费用
(单位:元)满足如下关系:
其它总成本为
(单位:元),已知这种农作物的市场售价为每千克5元,且供不应求,记该单株农作物获得的利润为
(单位:元).
(1)求
的函数关系式;
(2)当投入的肥料费用为多少元时,该单株农作物获得的利润最大?最大利润是多少元?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e37b0400bcc3219cb20982d5363aed9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e1725516933bb441200c903bfa1ef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当投入的肥料费用为多少元时,该单株农作物获得的利润最大?最大利润是多少元?
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【推荐2】分别作出下列分段函数的图象,并写出定义域及值域.
(1)y=![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23cab349f85e4b3edb806ea576a5a14.png)
(2)y=
(1)y=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23cab349f85e4b3edb806ea576a5a14.png)
(2)y=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a136c183bcfea5cfcf1be58ceac466.png)
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