解题方法
1 . 已知函数
.
(1)求
的周期和对称中心;
(2)将函数
的图象向左平移
个单位,再将所得图象上所有点的纵坐标不变,横坐标变为原来的2倍后所得到的图象对应的函数是
,求
在
上的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca02ac42a737023d04a128821ed3afa7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998f42043483258e58d1a1c1d4b4215a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cda8113f68fcedcfa111f81c89dc3b7.png)
您最近一年使用:0次
名校
2 . 已知函数
.
(1)求方程
在
上的解集;
(2)设函数
;
(i)证明:
有且只有一个零点;
(ii)记函数
的零点为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd8331d5ac755a3e6a7199f7009b87b.png)
(1)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4dc99c6b418baf1c3fe26dc43ed9f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb0497e0221617b798ec945b38ca564b.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
(ii)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f261e90d4dcbaed811d33646a91aff24.png)
您最近一年使用:0次
解题方法
3 . 已知函数
(
,
,
,
)的图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/10108d1a-d97b-4fab-b1bf-537828d7f5ca.png?resizew=149)
(1)求
的解析式;
(2)已知函数
与函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
的图象在
上交点的横坐标从小到大依次为
,
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fcd3cea5f5e2fe943490dcb65d74c73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c0132454e4475c3fbddcbfdfc4fab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af87a22a39bd12c4734b0bdf1596b42a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aedc1c8a16e306bcd6e5154f9ed6dfc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/10108d1a-d97b-4fab-b1bf-537828d7f5ca.png?resizew=149)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196966f9a378d3e7629fa08512bca8a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062bdfe9747acb9399c7c756926323e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be77060fdb46cc55deef393f43dfec3b.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/a9f97408c4212ad3cc4f34bf28604bd9.png)
您最近一年使用:0次
4 . 已知二次函数的最小值为
,且
是其一个零点,
都有
.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09062390f939143073dbe8474ccd8cc9.png)
(3)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa756e2275e742607eb83da311d788ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
您最近一年使用:0次
名校
5 . 已知函数
,
.
(1)求函数
的单调递增区间;
(2)若函数
在区间
上有两个零点,求
的取值范围.
(3)若函数
有且仅有3个零点,求所有零点之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a163baa218513d75dd48d81bca35b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd1017814e9883c21b17e43703a7272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff14bdd7f2b48c0ce6ba8696c89fbf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9dd411180b51440943424de897f05c.png)
您最近一年使用:0次
2024-01-18更新
|
548次组卷
|
2卷引用:四川省宜宾市兴文第二中学校2023-2024学年高一下学期开学考试数学试题
解题方法
6 . 定义在
上的单调函数
满足:
.
(1)求证:
是奇函数;
(2)若
在
上有零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b60b65aaa0c006a3e5ffd0b1ad5795ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bb82965d5b3c7426b5fc82f5edeb7d.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
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb2c38decf66072b8acfabe04fe609e.png)
(1)作出函数
的图象(不写作法),并根据图象写出函数
的单调区间;
(2)设函数
有四个零点
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb2c38decf66072b8acfabe04fe609e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/478e6d40-cf34-4c16-b820-8f2a78e92291.png?resizew=242)
(1)作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5b9f57d3634f8337f1414f8a2a2dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5a45741d9aee37ed917dbe925d2204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429d4988ab918d052ef2a4204d8c6907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a676166ed6b6cd431903f61e5dfd9fb.png)
您最近一年使用:0次
8 . 已知二次函数
的单调递增区间为
,且有一个零点为
.
(1)证明:
是偶函数.
(2)若函数
在
上有两个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a08cecf8edca7feccc76e4c48eadb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda591d3909af06eabf6b37c65bfe571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7661d3fc28f785b438ad8c8f9d240a.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233d9817b8b250657f71cf9ee7a38069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
9 . 已知二次函数
的两个零点为
和
,且方程
的两根相等.
(1)求函数
解析式;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee708f92c52fba2937144d34a967dfee.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d43639ed12ba9dbc48752e4f59678e20.png)
您最近一年使用:0次
10 . 函数
,其中
,
.
(1)求函数
的最小正周期;
(2)若
是三角形的内角,当
时,求
的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418c51712b16f6c772d30080896071c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4922949f2b8db3b546172a9dc10ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35daaefba5be475bcdea8ffb247d16ac.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2023-07-09更新
|
614次组卷
|
2卷引用:四川省成都市成都市第七中学2022-2023学年高一下学期期末数学试题