已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae1362b2f223771e3883f9819a6ae732.png)
(1)在下方坐标系中画出函数图象;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/a05361a9-d536-4ce4-a3bd-1ccbfbe225e8.png?resizew=233)
(2)求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae1362b2f223771e3883f9819a6ae732.png)
(1)在下方坐标系中画出函数图象;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/a05361a9-d536-4ce4-a3bd-1ccbfbe225e8.png?resizew=233)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0499ec25d43d621764622dc46fa442.png)
更新时间:2019-11-19 21:14:05
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解答题-作图题
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适中
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【推荐1】已知函数
,
.
![](https://img.xkw.com/dksih/QBM/2022/2/21/2921392171024384/2926939060887552/STEM/b043e32e-ccc6-4436-b29d-f6d4ecb99a85.png?resizew=235)
(1)画出
的图象,若
与
的图象有三个交点,求实数
的取值范围;
(2)已知函数
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,
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(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408a9272589ff1809c137869ce8673a0.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-作图题
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【推荐2】在[0,2π]内,作出函数y=3-sin x的图象.
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解题方法
【推荐3】在初中阶段的函数学习中,我们经历了“确定函数的表达式—利用函数图象研究其性质”,函数图象在探索函数的性质中有非常重要的作用,下面我们对已知经过点
的函数
的图象和性质展开研究.探究过程如下,请补全过程:
(1)①请根据解析式列表,则
_________,
___________;
②在给出的平面直角坐标系中描点,并画出函数图象;
![](https://img.xkw.com/dksih/QBM/2022/1/12/2892860571025408/2915754704011264/STEM/2b7a95dd68e24d05947ee8d05863fc6e.png?resizew=537)
(2)写出这个函数的一条性质:__________;
(3)已知函数
,请结合两函数图象,直接写出不等式
的解集:____________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150f1dfec4b2eb9fcdeadb0b18d2c286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebbce519517266b8768d9c9fcd4353b9.png)
x | … | ![]() | ![]() | ![]() | 0 | 1 | 7 | 9 | … |
y | … | ![]() | ![]() | m | ![]() | ![]() | 0 | n | … |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
②在给出的平面直角坐标系中描点,并画出函数图象;
![](https://img.xkw.com/dksih/QBM/2022/1/12/2892860571025408/2915754704011264/STEM/2b7a95dd68e24d05947ee8d05863fc6e.png?resizew=537)
(2)写出这个函数的一条性质:__________;
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761a4ad77e15c9471fc69b206997636c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
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【推荐1】已知函数
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(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502416314c8c26f8442e639ea6a5db13.png)
(2)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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名校
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【推荐3】已知函数
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