名校
解题方法
1 . 已知集合
,且关于x的不等式
至少有一个负数解},则集合A中的元素之和等于___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e882a52fc10b618053584a6085bfbb43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3aa9311ee6f4fee7c52e44993e25c56.png)
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2 . 如图,对数函数
的图象与一次函数
的图象有
两个公共点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/1057a7f5-66b7-4df6-b7ff-9c917faa7094.png?resizew=182)
(1)求
的解析式;
(2)若关于
的不等式
的解集中恰有1个整数解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3411686439eb5ea915052cfb64cc2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/1057a7f5-66b7-4df6-b7ff-9c917faa7094.png?resizew=182)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24250632abc6e6eac895916aa603ac0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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3 . 已知函数
,在区间
上有最大值8,有最小值0,设
.
(1)求
,
的值;
(2)不等式
在
上有解,求实数
的取值范围;
(3)若方程
有三个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6975d109836ab96461fa4ea8ca72e1b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307056c87e4c5d6af2b91d4001fb9d1d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/666b8cc188f9dcc3948009bd1b7b968d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c21a74548deca5fc12db35289f6dc75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知二次函数
是R上的偶函数,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/583092e098262aa554e227d8a5351c15.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/5b7e798e-ad9d-4373-8864-329e7173f785.png?resizew=242)
(1)求
的解析式,画出函数
的图像并写出它的单调区间,不需证明;
(2)当
时,解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/583092e098262aa554e227d8a5351c15.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/5b7e798e-ad9d-4373-8864-329e7173f785.png?resizew=242)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6e28dbfcdd6fb66b9ff759be044287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7dc3843724c7dfd0b503ad04e078da.png)
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解题方法
5 . 已知函数
是定义在R上的奇函数,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/7eb536b3-f190-4aff-a44e-91aba1c19777.png?resizew=232)
(1)求函数
的解析式;
(2)用函数单调性定义证明
在
上是增函数;
(3)对于函数
,当
时,解关于
的不等式
.
(4)作出
在定义域R上的示意图.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8717af5b57ca8eb3402b17118fec7a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc6da8cf1ccead63fcacc383560e0ba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/7eb536b3-f190-4aff-a44e-91aba1c19777.png?resizew=232)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)用函数单调性定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
(3)对于函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab87accf1942ab80def96d12ef173163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06da5f9311195b66c3e8d1ecb90df3f.png)
(4)作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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名校
解题方法
6 . 已知
是定义在
上的奇函数,且
时
.
(1)求
的解析式并画出函数的图象;
(2)利用所画图象判断函数的单调性,并解关于
不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e3dab33a3665fa93bbd55f1fac6a645.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)利用所画图象判断函数的单调性,并解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f747830eb92ceb0c603e91e7707e0ec1.png)
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2021-12-06更新
|
416次组卷
|
2卷引用:福建省厦门大学附属科技中学2021~2022学年高一上学期期中考试数学试题
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0426bfa79631f4cdca2ecf642dd657ab.png)
![](https://img.xkw.com/dksih/QBM/2020/1/31/2389120784867328/2389671935541248/STEM/acff0eba8fe04224840eb41d81b93b85.png?resizew=393)
(1)求
的值;
(2)在绘出的平面直角坐标系中,画出函数
的大致图像;
(3)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0426bfa79631f4cdca2ecf642dd657ab.png)
![](https://img.xkw.com/dksih/QBM/2020/1/31/2389120784867328/2389671935541248/STEM/acff0eba8fe04224840eb41d81b93b85.png?resizew=393)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1e8ae93be5d4f44440dc3d2613d0ea.png)
(2)在绘出的平面直角坐标系中,画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d5a0e25aebe1cc182d2247ed344652.png)
您最近一年使用:0次
2020-02-01更新
|
503次组卷
|
2卷引用:山东省潍坊市2019-2020学年高一上学期期末数学试题
名校
8 . 已知定义在
上的奇函数
,当
时,
.
(1)求函数
的解析式;
(2)画出函数
在
上的图象;
(3)解关于
的不等式
(其中
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b61608d785aa5aab652b78217b1708.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab10cdbfd99b9820fe6aef037b09acbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
您最近一年使用:0次
2019-12-01更新
|
172次组卷
|
2卷引用:浙江省宁波市效实中学2019-2020学年高一上学期期中数学试题
名校
解题方法
9 . 函数
,
(1)解关于
的不等式
;
(2)若
,
①若
,求证
;
②画出
的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5ee992e4d7904e80e246a908fe9051.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e342b2932a0414a3221e961c0e116aa.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764f981a79d9850e2fd2afb79940da50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e297f6897dec36236986df208904d9.png)
②画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
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名校
10 . 已知函数
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4631d2c8bc7dfbc9646b98430556152a.png)
A.函数![]() ![]() |
B.方程![]() |
C.不等式![]() ![]() |
D.关于![]() ![]() ![]() |
您最近一年使用:0次
2023-12-08更新
|
558次组卷
|
5卷引用:重庆市第八中学2023-2024学年高一上学期12月月考数学试题