1 . (1)求满足
的
的取值范围;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaeed774a2295771123e58100b0b37b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb3afe6f4662c135c75cd328845653a.png)
您最近一年使用:0次
2 . 已知关于
的不等式
的解集分别为
,且
,则这样的
存在吗?若不存在,说明理由;若存在,求出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/396bb7756549e79eba9555b0f35fbb07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4815b1d16a7ae485ff0bba0b397e893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若
对任意实数
都成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cdb8f5b16e5044c4ad65f5c66e9537d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1e7928f01eab2fe117ce5bbe1bfec2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b6b2ebab0397832e066681219bb874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-08-17更新
|
579次组卷
|
2卷引用:四川省巴中市2016-2017学年高一下学期期末理数试题
13-14高二下·浙江杭州·阶段练习
解题方法
4 . 设二次函数
在区间
上的最大值为12,且关于x的不等式
的解集为区间![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffa032400031fc5150223aa32e48c0c.png)
(1)求函数
的解析式;
(2)若对于任意的
,不等式
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8d7032a512f70f4cf4e1712ed8ba8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b870f90b3e6cdac664e2743c71e7e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffa032400031fc5150223aa32e48c0c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb6c83f4a71273295c17ad36e2395fe.png)
您最近一年使用:0次
2012·上海嘉定·一模
名校
5 . 已知函数
.
(1)求方程
的解集;
(2)如果△
的三边
满足
,且边
所对的角为
,求角
的取值范围及此时函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b36dba931edb900f0dbf168aca38dad.png)
(1)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
(2)如果△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988b7e964e313579ab8869d67d5be007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
6 . 在
中,
分别是角
的对边,且关于
的不等式
解集为
.
(1)求角
的大小;
(2)若
,设
,
的周长为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1300cfc70572e2a252de8bd9402aa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d3af553a481761f30765a59ffdf7d3.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39900a2d790732077ffb571427a134fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5406658ef654e36d7a8a76f12c8817fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c5382d25c3d7252cab2234149edaed.png)
您最近一年使用:0次
2016-12-04更新
|
499次组卷
|
2卷引用:2015-2016学年四川成都石室中学高一下期中数学试卷