1 . 已知幂函数
的图象过点
,设函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/cd4263a7-d085-4bf6-94e2-f246dc892b0d.png?resizew=183)
(1)求函数
的解析式、定义域,判断此函数的奇偶性;
(2)根据“定义”研究函数
的单调性,画出
的大致图象(简图),并求其值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e5abce9e520b37572b68141940bbf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/687c95902f2c7a5cb9808ace73b7bbad.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/cd4263a7-d085-4bf6-94e2-f246dc892b0d.png?resizew=183)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)根据“定义”研究函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
解题方法
2 . 已知函数
的图象关于原点对称.
(1)求实数
,
,
的值;
(2)作出
的大致图象;
(3)结合图象求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f940da70592960081e37c2069045f58a.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)结合图象求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ec4429beace8d9a1dc214126fc2ce8.png)
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解题方法
3 . 已知函数
是定义在R上的偶函数,且当
时,
.
(1)求出函数
的解析式,画出函数的图象;
(2)函数
,
,
的最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
(1)求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f58fd27b41ba049b2b8a4aab45db075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e22e1223baf7cb3d53e668c2449609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
4 . 已知函数
是定义在
上的偶函数,且当
时,
,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/ee33c9d3-1695-4a33-9f76-2f8194e46a8e.png?resizew=212)
(1)现已画出函数
在
轴左侧的图象,请将函数
的图象补充完整,并写出函数
的解析式和单调减区间;
(2)若函数
,求函数
的最大值.
![](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/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/ee33c9d3-1695-4a33-9f76-2f8194e46a8e.png?resizew=212)
(1)现已画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee97d8c31054a7150199058bc7b45cb3.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0459f7696ea12a2d22f83b5fe7f6c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
名校
5 . 已知函数
是定义在R上的偶函数,且当
时,
.现已画出函数
在y轴左侧的图象,如图所示,请根据图象.
![](https://img.xkw.com/dksih/QBM/2023/12/20/3393428483121152/3393837769695232/STEM/c0fc63e386d9417f96d42a3b1906008d.png?resizew=117)
(1)补全函数
的图象并写出函数
的解析式;
(2)若函数
,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5397ee1eb6d157f6ec1e7a878f8d16e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/2023/12/20/3393428483121152/3393837769695232/STEM/c0fc63e386d9417f96d42a3b1906008d.png?resizew=117)
(1)补全函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dbb70efb53fdd394d7eb8f7720629c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dbb70efb53fdd394d7eb8f7720629c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cef35bf8068d83519f3e7696dc65e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
名校
解题方法
6 . 已知定义在
上的奇函数
,当
时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/225fa561-df8a-463c-bfc7-749a59d09eef.png?resizew=217)
(1)求函数
在
上的解析式;
(2)在坐标系中作出函数
的图象;
(3)利用图象解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5749bb82edfb623c63ae4ec6b4d43da8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/225fa561-df8a-463c-bfc7-749a59d09eef.png?resizew=217)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)利用图象解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/397c24a4fc2b570ec059a2d702757475.png)
您最近一年使用:0次
2023-12-20更新
|
175次组卷
|
2卷引用:辽宁省重点高中沈阳市郊联体2023-2024学年高一上学期期中考试数学试卷
名校
7 . 已知函数
是定义在
上的偶函数,当
时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/bc31d46c-022e-4d95-aaee-47d3a0c90d1c.png?resizew=216)
(1)求函数
在
上的解析式,并在坐标系内作出函数
的图象;
(2)若方程
恰有四个不同实数解,求实数
的取值范围.
![](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/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5212ce4da8630abea17b66cfb964859.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/bc31d46c-022e-4d95-aaee-47d3a0c90d1c.png?resizew=216)
(1)求函数
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4639369fb0b0c02857ec42e069bb7d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
8 . 已知函数
是定义在R上的奇函数,且当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
(1)求
在定义域R上的解析式,并画出函数图像
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a734862306589fa4bc4595c88935a973.png)
您最近一年使用:0次
名校
9 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/fa258bee-7ce0-4613-8f74-fde8a408fb58.png?resizew=216)
(1)画出
的图象;
(2)根据图象写出函数的单调区间;
(3)求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a560d0c6969b117a5a8f88f87a8380.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/fa258bee-7ce0-4613-8f74-fde8a408fb58.png?resizew=216)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)根据图象写出函数的单调区间;
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bf0995f32a13d0a9e423f3e88ab271.png)
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解题方法
10 . 对勾函数是形如
的函数,其中
为自变量,是一种类似于反比例函数的一般双曲函数,因其图象而得名.已知对勾函数
,在区间
上的单调性是:在区间
上单调递减,在区间
上单调递增.
(1)若对勾函数
,根据函数单调性的定义证明
在区间
上单调递增;
(2)若对勾函数
,写出函数
的单调区间(不必证明)并作出函数
的图象.
(3)已知对勾函数
,
,二次函数
,设
的最大值为
,若
,
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5065e3752520c590c3a11ff6652414b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f83756e1e8819ec9eb554270e888be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5adca923811433f158d3803d509c309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f744a9b5e1bddc40e04714012f9f10e7.png)
(1)若对勾函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5effb3053cf609f59178641cd48167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda591d3909af06eabf6b37c65bfe571.png)
(2)若对勾函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5effb3053cf609f59178641cd48167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/fca4d273-fb02-4da3-a82a-fc4a00becf09.png?resizew=240)
(3)已知对勾函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e29a631e052d3a682b025e512f0618.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b72b368ce2f42afe01303bf99bd3e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5ac54a99b60c157af732e05972c837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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