名校
解题方法
1 . 已知函数
,若关于
的方程
有6个不同的实数根,则实数
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0218402f9b13655f80b355527e63226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c445d03b129a7224db547c0036132dca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 已知函数
,若方程
有三个不同的实数根,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2dc0353b9d03d5752c6390a436f688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知函数
在定义域
上单调递增,
,
,
,则函数
的一个误差不超过0.05的零点可以为( )
![](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/877432f7d81d821ac1719dfdc04376bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c574d7344a05b79542c185806d23262c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bfbfe669fd5ae17a74e345d620855e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.0.6 | B.0.68 | C.0.7 | D.0.72 |
您最近一年使用:0次
解题方法
4 . 已知函数
则方程
的根的个数可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647c25cc171c1788d0299bf63399f948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b0c0fc348dadd84ffc4a00995c439d.png)
A.2 | B.6 | C.5 | D.4 |
您最近一年使用:0次
5 . 已知函数
,若存在
且
,使得
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a04ec20050ca72e4a90226d9a2fa1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3c543b45884d75765b16c78bcd0e149.png)
您最近一年使用:0次
2024-01-31更新
|
188次组卷
|
5卷引用:广东省茂名市高州市第一中学2023-2024学年高一下学期开学考试数学试题
解题方法
6 . 方程
的解所在的区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415735dab12a7c25a6854a4d8a279749.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 函数
的零点所在的区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657a4d6cfeab12b0cc7a24409b060ae1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-27更新
|
174次组卷
|
2卷引用:广东省高州市2023-2024学年高一上学期期末教学质量监测数学试题
解题方法
8 . 已知二次函数
满足
,且
,
为偶函数,且当
时,
.
的解析式;
(2)在给定的坐标系内画出
的图象;
(3)讨论函数
(
)的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/743089fff9d71f10d5643354d1f7f8da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa7ce6983a3147fee5418459cf7d7ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea730e263c7b433f932b921bf7de679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)在给定的坐标系内画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(3)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a5cfd91dcacd5fe1ec008feb603f47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39106d1bdd098fc71c68b9c606891eeb.png)
您最近一年使用:0次
2024-01-26更新
|
132次组卷
|
2卷引用:广东省茂名市2023-2024学年高一上学期期末质量监测数学试题
9 . 已知
,方程
有四个不同的根
,
,
,
,且满足
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16dc42c69d8e6d715e9a4407511e4486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85bfd07ab815c3947383ebcffcc30ba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2741ca619df1d9ab3d9ced4c49142dc.png)
您最近一年使用:0次
10 . 已知函数
是偶函数,且
,
.
(1)当
时,求函数
的值域;
(2)设
,
,求函数
的最小值
;
(3)设
,对于(2)中的
,是否存在实数
,使得关于
的方程
在
时有且只有一个解?若存在,求出实数
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3067e2ce6964dd8a4657f33ff1020e42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87be090ba8340348b4894c0ad1ce3662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f76a0407dc64862b341524e8f3d7164.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df0a357d2b5b8a4762b35cd999a0185a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeae227ddcd963101c96448b12a69d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9248f8b5bc8c31bce7da86983b6c155e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65f98fb31af1299a4d4b31d67a240b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次