已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad4daa4687d2c04ad0f82d29002f495.png)
(1)当
时,解不等式
;
(2)若不等式
对任意
都成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad4daa4687d2c04ad0f82d29002f495.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae834ca66e93ff96ec2b7fe87d4f8d9.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd196e0ab888d6865dbf58a0fda7637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbb01a7f5e9861aa185c6c63fcd58c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2023-05-19 23:51:04
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解答题-问答题
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适中
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名校
【推荐1】已知函数
.
(1)解不等式
;
(2)记函数
的值域为M,若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28f1467b6892df1d15ec306667f9711.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1a4c3a86f97095e30c71a94378ce76.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a1007082d08803d3cb9de108039401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f1ecfcbe90dca8dc8f3aa7ebaccfb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7493ee04ed5465b079c4477c558fdf.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】已知函数
.
(1)当
时,求函数
的图象与直线
所围成图形的面积;
(2)求不等式组
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448d8366804f80dfddcfc7be2e59d78c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bbf68714436abcc9a8fdc01bd04895.png)
(2)求不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6362b6d4dab9b6c546602e002f97e6d0.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐3】设函数
的最小值为
.
(1)求
的值;
(2)已知
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8cf67bbb016e3f783689f9d53d81b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28f616b1f56991ee75caae3ac35208b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18bf676b743728833d21db05f7d55a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd93ee03569849295ebde055410d1b84.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1】已知
.
(1)当
时,求不等式
的解集;
(2)当
时,恒有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5fbb80a8e76ae0c0f2c628967afd44c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8577ee48aea45abde5ee5911bff701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.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)
名校
解题方法
【推荐2】设函数
.
(1)求
的最小值;
(2)若集合
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e34c311e52d5bf8c1eebbd153c865.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649deacdfe9086ae86f30115ae17a42f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次