名校
1 . 已知函数
.
的图象,并求
的解集;
(2)
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6016b994cb131e20bb9b2b2d30e7130a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0746f6d7da0d54296692b8ede9330e19.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d794c3af7140c07ef04547cdd0be19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025fa762ba884166c5c50008f85df334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次
2024高三下·全国·专题练习
解题方法
2 . 已知函数
.
(1)若
,作出
的图象;
时,若对任意的
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42187371907f47ea17856e30507e9cc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79e1092e7d32c93b8aae548758e31dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
3 . 设函数
.
(1)在坐标系中画出函数
的图象;
(2)若
对任意
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f2b6ab759157240b60d3cbbac5fa8a.png)
(1)在坐标系中画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/240c0c19ba77e1b8ee7fb91d63a9b0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
4 . 设
.
(1)在如图坐标系中作出函数
的图象,并根据图象求不等式
的解集;
(2)若存在实数
,使得不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf39c946dd3115272c95ca286f9f259.png)
(1)在如图坐标系中作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/25/f8bb4f55-e8f9-425a-aa34-41be5b9bc37e.png?resizew=180)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/744d904b45ad93f385b2f9edfd49e6cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2024-02-26更新
|
60次组卷
|
2卷引用:中原名校2022年高三上学期第四次精英联赛理科数学试题
解题方法
5 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/3bcbcf26-5854-4221-918e-c6498c424751.png?resizew=240)
(1)画出函数
的图象;
(2)设函数
的最大值为
,若正实数
,
,
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa09a9d9e1ef99bf78e188b8424a709.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/3bcbcf26-5854-4221-918e-c6498c424751.png?resizew=240)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91beeecb519bfc3c9afbd86f0537e589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f926175f731ce184bb725feacb0985.png)
您最近一年使用:0次
2024-02-19更新
|
159次组卷
|
2卷引用:陕西省咸阳市2024届高三上学期模拟检测(一)文科数学试题
名校
解题方法
6 . 已知函数
.
(1)作出函数
的图象;
(2)解不等式|
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c28cb74d42955d16c93a9648a4de552.png)
(1)作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)解不等式|
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/763ef190303947711154056f1445cfbc.png)
您最近一年使用:0次
2024·全国·模拟预测
7 . 已知函数
.
(1)若
,在下列坐标纸中作出函数
的图象,并根据图象,直接写出不等式
的解集(不必说明理由);
(2)若
,且关于x的不等式
在R上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a7a7afe9ebd30320897afb586fb787.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/eb37e1a1-cf27-4cc7-be3b-8c2c1e54b90d.png?resizew=190)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5873a16b27410f03b2c4a1da6799e926.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03a1d5ea2ef0ee5d74c34cbb514925f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/a86fa5f6-948b-43df-ba0d-789d64b67039.png?resizew=213)
(1)在所给出的坐标系中画出
的图象;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a7b99954b553ca778cb4690f934d26.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/a86fa5f6-948b-43df-ba0d-789d64b67039.png?resizew=213)
(1)在所给出的坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ece022365a4c9d4a68e16157f3137a.png)
您最近一年使用:0次
2023·全国·模拟预测
解题方法
9 . 已知函数
.
(1)在平面直角坐标系xOy中画出函数
的图象,并根据图象直接写出函数
的最大值;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/16/602ca768-5bb0-4a99-a537-cadbc5b1197d.png?resizew=183)
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6652da2b790105eed69ed335cf993955.png)
(1)在平面直角坐标系xOy中画出函数
![](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/2023/12/16/602ca768-5bb0-4a99-a537-cadbc5b1197d.png?resizew=183)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56024edbfd6c2097fb360471f128a753.png)
您最近一年使用:0次
2023·全国·模拟预测
10 . 已知函数
,且
有解.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/bb85983c-0315-42e7-8641-307cafd12e5e.png?resizew=179)
(1)求a的取值范围;
(2)当a取最大值时,作出
的图象,并求
的图象与x轴围成的封闭图形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec4597e876e314ae7ffb51584d7a440f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/744d8e4ec21306ba4b152cdc7319d8a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/bb85983c-0315-42e7-8641-307cafd12e5e.png?resizew=179)
(1)求a的取值范围;
(2)当a取最大值时,作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11586cdbcbb748633a0bdfd0fe9cf9e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
您最近一年使用:0次