选修4-5:不等式选讲
已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a29c670ad4388998d95c5e1bac01a9cd.png)
(1)当
时,解不等式
;
(2)不等式
在
时恒成立,求
的取值范围
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a29c670ad4388998d95c5e1bac01a9cd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db4d023caa46bc2b9779b06771310.png)
(2)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74dbd58b21a94cf93f4623c07452b102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f851f9849dfe2c3306d20d06f712069d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2018-06-10 07:49:51
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知
.
(1)若
,求不等式
的解集;
(2)若对任意
,恒有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a3898613004711be8ace37eb12561d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d425c2c80c96c431a5d4e06928f930.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafce249be1aeee0581417db4ce841db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92323e0b674647b4f9ba517a93b25fb6.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
【推荐1】设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e854137109ca321a377795247aa6cfad.png)
(1)当
时,求
的最小值;
(2)若对
,都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e854137109ca321a377795247aa6cfad.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.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】已知函数
.
(1)若
,求不等式
的解集;
(2)若
时,函数
的图像与直线
所围成图形的面积为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a26f8294f521457aa825953d87b262c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2927cfc821aa21c2737a54ece102f2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89dc36ecad28ea6a2f7b5b356c81465b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fffe70910079ad65b954b6640562cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次