已知函数
,
.
(1)若
,求不等式
的解集;
(2)当
时,若
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b566382ee0c273c1a05466fda54d04c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709db55f0b99a5023eda64def7d72ea2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02491f9709f00a1bc169278fbe01f576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3c6f2a7bc34b2aab620e61e9280bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
21-22高三下·江西·阶段练习 查看更多[7]
江西省稳派联考2022届高三3月二轮复习阶段性测试数学(理)试题(已下线)理科数学-2022年高考押题预测卷01(全国甲卷)(已下线)文科数学-2022年高考押题预测卷01(全国甲卷)甘肃省高台县第一中学2022届高三下学期第七次检测数学(理)试题四川省遂宁市射洪中学校2022届高三下学期高考适应性考试数学(理科)试题四川省遂宁市射洪中学校2022届高三下学期高考适应性考试数学(文科)试题甘肃省张掖市某重点校2022-2023学年高三上学期第九次检测数学(理)试题
更新时间:2022-04-02 22:13:08
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适中
(0.65)
解题方法
【推荐1】已知函数
.
(1)当
时,求不等式
的解集;
(2)当
时,设函数
的最小值为
,若
均为正数,且
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的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f221c9185ea740a252fa82ea7a6ea6b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbeede118c407a800b05757b9a1393e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b095c3b3d32619c3e0c581f79cd8f48e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d86b4ad722d7b720603eba9d330fd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143c384e3ed4f411015eadb97737fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e566ac677041f3c35512c6f5c2c2826.png)
(1)若
,求实数
的取值范围﹔
(2)若不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e566ac677041f3c35512c6f5c2c2826.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5aa4c0b141981afccb779af4671942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4244b365be64b44bfba6ab169507fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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适中
(0.65)
名校
【推荐1】已知函数
.
(1)当
时,求不等式
的解集;
(2)若关于
的不等式
的解集包含
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5855e2a5e61d3e6eb98f032e10e43dea.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3ed6d2f29d4d4d5d017a55834b2b0b.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cc7051287cb619f6021a235e446c612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】设函数
.
(1)求不等式
的解集;
(2)若不等式
的解集为实数集
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c278ec775de4a238353c29359c2c4b54.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c104fceaaab7f07a31fee28f5bbbf90.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262dc869a3c9c8ca4c5d6a3c511e41d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1f67db718129332f56462f9049f8c1.png)
您最近一年使用:0次