已知函数
.
(1)求
的最大值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6763d077bec9582c2c5eab1d9f6887e5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923b511d72f054fc416e34b2048b4a9d.png)
更新时间:2020-08-17 19:45:48
|
相似题推荐
解答题-作图题
|
较易
(0.85)
解题方法
【推荐1】已知函数
的解析式为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e199ee7dfd97d0fbab536aa06aa8dc2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/93c34796-ec91-4fe3-a0d1-baa060d54d46.png?resizew=214)
(1)求
,
的值;
(2)画出这个函数的图象,并写出
的最大值;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e199ee7dfd97d0fbab536aa06aa8dc2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/93c34796-ec91-4fe3-a0d1-baa060d54d46.png?resizew=214)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fb17436d1ab0e44408d1f460356df3.png)
(2)画出这个函数的图象,并写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940adbf54e96ecb2bb2637e5f976a3b0.png)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
名校
解题方法
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb07ef16a59c3fca5b82ec18b38f75a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/6e78baf3-b1e2-45d8-a73e-b1270132247e.png?resizew=185)
(1)求
,
的值;
(2)在给定的坐标系中,画出
的图象
无需列表![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440a091777c1e606220ad30862b8664b.png)
(3)根据(2)中的图象,写出
的单调区间和值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb07ef16a59c3fca5b82ec18b38f75a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/6e78baf3-b1e2-45d8-a73e-b1270132247e.png?resizew=185)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2518f6b97e516aa2bd548234370fc5.png)
(2)在给定的坐标系中,画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440a091777c1e606220ad30862b8664b.png)
(3)根据(2)中的图象,写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】已知函数
.
(1)当
时,求函数
的值域;
(2)对于任意实数
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3099ee8155dc772917994a6f6304e2bb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f242cd4d213afa53da434c6eaed75885.png)
(2)对于任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c12727d39cc99aba684d1c25a53b66c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
名校
解题方法
【推荐2】已知函数
.
(1)画出函数
在区间
上的图象;
(2)写出函数
在区间
上的单调区间、最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c2837ca79dac067e0872eded379e91.png)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a92ba8b43bebdf7d6c40917f4d3e110.png)
(2)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c2837ca79dac067e0872eded379e91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a92ba8b43bebdf7d6c40917f4d3e110.png)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
名校
【推荐3】已知函数
是定义在R上的函数,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/23/6bbd81f6-41e1-4878-a65e-f7f9a1cdf5d0.png?resizew=188)
(1)将函数
写成分段函数的形式,并画出函数
的图象;
(2)根据图象写出值域.
(3)若
与
有两个交点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2351710c91d225375623c79d7507c88a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/23/6bbd81f6-41e1-4878-a65e-f7f9a1cdf5d0.png?resizew=188)
(1)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)根据图象写出值域.
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d300a3a6d3270bccac16b34fd7a3cb5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次