已知函数
的图象相邻两个零点差的绝对值为
.
(1)若
,分别求
;
(2)将
的图象上的所有点的横坐标变为原来的4倍,再将图象向右平移
得到函数
的图象,求函数
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53f309ff3e0c6c3f7403baa0275b074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac50bd35417c26de59299b6809869d1.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
更新时间:2021-02-03 07:36:32
|
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐2】已知函数f(x)=Asin(x+
),若f(0)=
.
(Ⅰ)求A的值;
(Ⅱ)将函数f(x)的图象上各点的横坐标缩短为原来的
倍,纵坐标不变,得到函数g(x)的图象.
(i)写出g(x)的解析式和它的对称中心;
(ii)若α为锐角,求使得不等式g(α-
)<
)成立的α的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b899be3c4709ec661d84392b167230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb00a19477b29b325a5e334207f6b18.png)
(Ⅰ)求A的值;
(Ⅱ)将函数f(x)的图象上各点的横坐标缩短为原来的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
(i)写出g(x)的解析式和它的对称中心;
(ii)若α为锐角,求使得不等式g(α-
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d73c429f872c525473790038abe8d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9c6fe12d3a9727e00ef87a630302ab.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐3】已知函数
.
(1)求
的对称轴方程;
(2)将函数
的图象的横坐标缩短为原来的
后,纵坐标不变,得到函数
的图象,求函数
在
上的单调递增区间;
(3)若关于x的方程
在
上恰有2个实数根,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3343634b63ddccfdde2065ee5e7ad9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9372bbb0fa1b9971a4b00d8d20654092.png)
(3)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e5257c3efa20386fa295fa96819200.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐1】某公园要建造如图所示的绿地
为互相垂直的墙体,已有材料可建成的围栏AB与BC的总长度为12米且
.设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/9fd4491e-a0e8-4e3a-b41b-73e74f646e72.png?resizew=153)
(1)当
时,求
的长;
(2)当
时,求
面积
的最大值及此时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0940ba4275a64de6cc81afb31cac64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e63af3d182fd7bfe75f26a520641c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7cc990d8e30dfcd6b1883cfbdaef1d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/9fd4491e-a0e8-4e3a-b41b-73e74f646e72.png?resizew=153)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9870c916b61dd153a40dbfa0b02427d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐2】已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求函数
的最大值;
(2)若
,
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd357c8a9884046ca97f55dd5ace3dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801e554ddb77a303bcea1ef706f11c6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae470980d6e3b53c65b9d42d1f011c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb8c09fbb9d74313e18017168f2b8e5.png)
您最近一年使用:0次