名校
1 . 已知实数
满足
,给出下列不等式:①
;②
;③
;④
;⑤
;其中必定成立的不等式是__________ (请填写你认为正确的所有不等式的编号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e91bf434f28e4b539fcb96344f729d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169f16799989570bdf81c1798ac9392f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9911539b53f97a3dca374796355b622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a8228209e23be85caca1f209c9ea60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ecfe44d471fced88e16214afff4e16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/befa0d5176f91789927ca94920b0344c.png)
您最近一年使用:0次
解题方法
2 . 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
3 . (1)画出函数
的图像;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0af28e7ca3086c4053c46aec5a26414.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8225a65b3a3bb63115e66d09d7644e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/dbcdeb45-3b51-4f2d-a752-91a5b02aeda3.png?resizew=214)
您最近一年使用:0次
解题方法
4 . 已知函数
.
(1)画出
的图象,并根据图象写出不等式
的解集;
(2)若
恒成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd6be947e37552dfa0565d1f21e380.png)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43fdc6102c003988b50b778fc6f00936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd8d83a0f1b5b9df878a1700990bd40.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fb5ba2866d9c44f2501d40c473d628.png)
您最近一年使用:0次
2023-01-06更新
|
246次组卷
|
4卷引用:四川省德阳市2023届高三第一次诊断考试数学(文)试题
四川省德阳市2023届高三第一次诊断考试数学(文)试题(已下线)四川省德阳市高中2022-2023学年高三上学期第一次诊断考试文科数学试题四川省德阳市高中2022-2023学年高三上学期第一次诊断考试理科数学试题(已下线)专题21不等式选讲
5 . 设函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/22/0d919244-906d-4c63-be88-bc2d9ee54c2f.png?resizew=200)
(1)画出
的图象;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2744488e4b53031e3a57200e9c15785a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/22/0d919244-906d-4c63-be88-bc2d9ee54c2f.png?resizew=200)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7468f570e41451a147f727b2b84ae1c9.png)
您最近一年使用:0次
6 . 已知函数
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/08b4ade3-0bc6-4e58-8ca9-97956917590a.png?resizew=243)
(1)画出
的图象;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a7809ee1fb390e90806aba2ad66453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29ae824fdccbb5919978390c3c4518d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/08b4ade3-0bc6-4e58-8ca9-97956917590a.png?resizew=243)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab762b6f9b93fb4acd74b2128939c304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
7 . 已知函数
.
(1)画出
的图象;
(2)当
时,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecce186abdc0ea80481c35044fb31357.png)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24aa16b780156e18f12baa2b8ee0f9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc62c7342b5db9bb822139ae20851f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-10-21更新
|
230次组卷
|
2卷引用:河南省洛阳市2021-2022学年高三上学期期中理科数学试题
名校
解题方法
8 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/2021/11/25/2858910939586560/2859027979649024/STEM/873ebeb5-bf50-4c81-9c67-a12c9cfef7e2.png?resizew=259)
(1)在图中画出
的图象;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea23e166ff7a92820c9f82989ee97d4.png)
![](https://img.xkw.com/dksih/QBM/2021/11/25/2858910939586560/2859027979649024/STEM/873ebeb5-bf50-4c81-9c67-a12c9cfef7e2.png?resizew=259)
(1)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93346c1cf9f1dae78d88ed834462c1b.png)
您最近一年使用:0次
2021-11-25更新
|
396次组卷
|
5卷引用:四川省成都市嘉祥外国语高级中学2021-2022学年高三上学期期中考试数学(文)试题
21-22高三上·全国·阶段练习
9 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/2021/11/12/2849557125316608/2849618302017536/STEM/4ece2286-645e-4038-9810-54ded8ef27ae.png?resizew=307)
(1)画出
的图象;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9470a0ff0ee3c7655344957d58f53052.png)
![](https://img.xkw.com/dksih/QBM/2021/11/12/2849557125316608/2849618302017536/STEM/4ece2286-645e-4038-9810-54ded8ef27ae.png?resizew=307)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d6848b0e6b6315bb84006d418e0702.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
10 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/2021/9/10/2805183750340608/2815139347881984/STEM/06e3f2f98cb846c0b8346902af1b9db4.png?resizew=227)
(1)画出
的图象;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81742c108fe202b517c2d34a7b75560d.png)
![](https://img.xkw.com/dksih/QBM/2021/9/10/2805183750340608/2815139347881984/STEM/06e3f2f98cb846c0b8346902af1b9db4.png?resizew=227)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6828307bda9b1438f12be793592ddf.png)
您最近一年使用:0次