解题方法
1 . 已知函数
,且
图象的相邻两条对称轴之间的距离为
.
(1)求
的值;
(2)再从条件①、条件②、条件③这三个条件中选择两个作为已知,若
对
恒成立,求
的取值范围.
条件①:
;
条件②:
的最大值为
;
条件③:
在区间
上单调递增.
注:如果选择多组符合要求的条件分别解答,按第一组解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e658113eadee1b45111b2a927c24e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcfe70fcf6c4adf6fd7b02911c2cd36.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)再从条件①、条件②、条件③这三个条件中选择两个作为已知,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5931095eb29d9d6b55ed9fa32a4ef1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9c48e36f2c35dd8308029445332aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab30faa78cc53c104f61b1cd906c365.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f46bd67fba590bac139785b5644bcb4.png)
注:如果选择多组符合要求的条件分别解答,按第一组解答计分.
您最近一年使用:0次
2 . 已知函数
同时满足下列四个条件中的三个:①
;②
;③最大值为2;④最小正周期为
.
(1)给出函数
的解析式,并说明理由;
(2)求函数
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9441b6984c5672f230760a88873b6d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8106a89a57af09a2b6d0c1523006e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc32c2bbc0a4ea29784c84bed56c07ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(1)给出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2023-02-19更新
|
755次组卷
|
4卷引用:北京市大兴区2023届高三下学期数学摸底检测试题
3 . 函数
(
,
,
)部分图象如图所示,已知
.再从条件①、条件②、条件③这三个条件中选择两个作为已知. 条件①:
;条件②:
;条件③:
.注:如果选择多个条件组合分别解答,则按第一个解答计分.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/3c2222ff-f29b-47b3-919e-662dec15e94f.png?resizew=202)
(1)求函数
的解析式;
(2)求
的单调减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9f2ae449ce1951748b9727c6edd1cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2121044d9274666ee1547e4d9f959468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/652f1fc5b9057217e807d2d412077b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec46880a7b1ac33ebe219870564912b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaaa43c35ddd79e9b45ad56a4cbb8343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941308b802d6814c4f5937779aef7095.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/3c2222ff-f29b-47b3-919e-662dec15e94f.png?resizew=202)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
4 . 已知函数
的图象过点
,图象上与
点最近的一个最高点坐标为
.
(1)求函数
的解析式;
(2)若
在区间
上单调递增,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703b4493b66a538140dd12bb3b268a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048898fdc253e54e973eb6656d884305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba6b4b4fee3c10427573e9d7abc4a3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd4374257a10722cb86bc72d34fc95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-02-28更新
|
226次组卷
|
2卷引用:北京市大兴区精华学校2024届高三上学期12月月考数学试题
5 . 如图,函数
的一个零点是
,其图象关于直线
对称.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/5be3d5b2-e114-465d-8025-08ee87f4e7df.png?resizew=183)
(Ⅰ)求
,
的值;
(Ⅱ)写出
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344e7aba6589e410fc9fabe55b1cbd42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a5b4b17634244b1e017caadf63c209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbada30eff6e8f3272f1f60fe4403bbc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/5be3d5b2-e114-465d-8025-08ee87f4e7df.png?resizew=183)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(Ⅱ)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
您最近一年使用:0次