已知函数
,且
.
(1)作出函数
的图象,求
的单调递减区间;
(2)若方程
只有一个实数根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18180ca83f8f20114d48ede2186e258c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13680c4c00ba1780911bfa92b717270a.png)
(1)作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-07-14 23:06:49
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解答题-作图题
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较易
(0.85)
名校
【推荐1】已知函数
是定义在
上的偶函数,当
时,
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(1)求函数
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(2)根据图象写出函数
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(3)讨论方程
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(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)根据图象写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)讨论方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d195cde47f9fe832a0342b167a656224.png)
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【推荐2】在同一坐标系画出下列函数的图象. 通过观察两条曲线,说说它们的异同:
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解题方法
【推荐1】已知函数
,
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(1)求
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在
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88f0599df187abb388e3c4b2656c2bb.png)
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(1)求
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(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9c82c1ec9a0ff6eec86178962285f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】已知定义在
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(1)求函数
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(2)在坐标系中作出函数
的图象;
(3)若关于
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/cd4440be-04d3-40a2-9c19-ebfe7b00c052.png?resizew=242)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(2)在坐标系中作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da3023b0765cfb1b268e29e1d01de0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-作图题
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较易
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解题方法
【推荐1】设函数
.
(1)求
的值;
(2)若
,求实数
的值.
(3)在给定的坐标系中,作出函数的图象并写出单调区间;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd98ba47ef24fb845bf3f889bd550d3f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/9d062107-559a-4a8b-8367-06107cb1e7b4.png?resizew=204)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32822a106d217ffdec43557a236f786.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e9089e21e10f127e970d8e42e55244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)在给定的坐标系中,作出函数的图象并写出单调区间;
您最近一年使用:0次
解答题-作图题
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较易
(0.85)
名校
【推荐2】已知函数
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(2)根据图象,直接写出函数的单调区间;
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的方程
有四个解,求
的取值范围.
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![](https://img.xkw.com/dksih/QBM/2021/8/20/2790492963962880/2793109447335936/STEM/d44b95e51a564ea09e7e270f288963d4.png?resizew=162)
(1)在平面直角坐标系中画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
(2)根据图象,直接写出函数的单调区间;
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b4874cf36b6082ba4d539ff3ee69a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次