解题方法
1 . 设函数
,若函数
有三个零点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a83b8fe5e0ae4d5af6e9992b0bff307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcefa1eadaa807e3fe6c61a2f8d2dea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
2 . 设函数
,若函数
有三个零点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f6abef09b885823fc81a5036155785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcefa1eadaa807e3fe6c61a2f8d2dea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
是定义域为
的偶函数,当
时,
,若关于
的方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1682e9680b0cd008aae91eea8696c954.png)
有且只有
个不同实数根,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c6e503d067201c27d750de525f4349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1682e9680b0cd008aae91eea8696c954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa76a059e95088cc306d55ce17b748d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知函数
,
,若函数
有两个不相同的零点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b0368dd196afc811f0e64a4318954c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102f72c0a088a67c699fc91f9ed5bfd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bf41dabeaa4eefeba70b859655a5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知函数
有两个零点
,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab13437b07f68008cd7d3c27c99b631d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a1cfbee87850adceee3012013cab300.png)
您最近一年使用:0次
2016-12-05更新
|
230次组卷
|
2卷引用:2017届贵州遵义南白中学高三联考二数学(理)试卷
名校
6 . 设
是定义在
上的偶函数,
,都有
,且当
时,
,若函数
(
,
)在区间
内恰有三个不同零点,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d05bfb81fb639a2697789174ac6f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552b49a1a5a9f04d5d958fed44ae30bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee4b651d75576f734cd2ab2f48c0ee9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b52daab8e08e8cb837f9d3faffff6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ff6a910cb97bcf279eeed9fb0eec45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d281e837adac1f8bf88a944e106aa305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e90b117b52077c0216aefa6bc45d3a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
1273次组卷
|
9卷引用:贵州省遵义市2018届高三上学期第二次联考数学(理)试题
7 . 若
是定义在
上的偶函数,当
时,
,若方程
恰有4个不同的根,则实数
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d810fc585ab7ecc811632074fb603d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e9793952a28ae090b29eff1bc8f752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
8 . 已知函数
,若函数
有三个零点,则
的取值范围为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b93de1deaa6ee1714a0591015b9e443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a0acc2ea698bb504b9904233822bd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-04更新
|
332次组卷
|
6卷引用:2017届贵州贵阳花溪清华中学高三理9月月考数学试卷
2017届贵州贵阳花溪清华中学高三理9月月考数学试卷2017届贵州贵阳花溪清华中学高三文9月月考数学试卷2015-2016学年河北石家庄一中高二下第二次月考理数学卷2015-2016学年河北武邑中学高二下4.24周考理数学卷(已下线)2019高考热点题型和提分秘籍 【理数】专题8 函数与方程 ( 题型专练)(已下线)2019高考热点题型和提分秘籍 【文数】专题8 函数与方程( 题型专练)
解题方法
9 . 已知函数
若方程
有且仅有两个不等的实根,则实数m的取值范围是_______ .
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572504846286848/1572504852340736/STEM/8b3268ecd755435a9a21cfdfaf2e2d79.png?resizew=185)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572504846286848/1572504852340736/STEM/83ce3d42c8e14504926c085d788667ad.png?resizew=117)
您最近一年使用:0次
10 . 设
是定义在
上的偶函数,对于任意的
,有
,且当
时,
,若在区间
内关于
的方程
恰有3个不同的实数解,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0be07495dbc744e1ecabac66f748218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317a22a2adb099aed351ac353ab65157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42dab692b19cabea84301710b6a172fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8867fae2a8fba3fa5faf6117913f3be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd29f719475580e421120efc2d0b2d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8237c5382cf866caff2df8971f93fa51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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