已知函数
.
(1)设
,且为常数,若函数
在区间
上是增函数,求
的取值范围;
(2)集合
,
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed0635936d5b10fe8c30d461131dc45.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f22655f0f6b649b0600a1d2c75a590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4324210735686fb21351566abe8c77ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43561e4e7c2f4c7ac87ac62664967d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ba7f6d3ec3cb988d4365e1d2700324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
2011高三·吉林·竞赛 查看更多[1]
(已下线)2011年全国高中数学联赛吉林赛区预赛试题
更新时间:2018-12-25 18:04:28
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】有理数集
的子集
有如下性质:
(1)如果
,
,则
,
;
(2)对于每个有理数
,
,
,
有且仅有一条成立.
试证明:
是由全体正有理数组成.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09256752badab8d69ae679796896ed97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77be3380e8b9628200a788b2695dbd32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa1230636571c84cd26a5ed282d243b.png)
(2)对于每个有理数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d68051f49dc692f10c62ac27dc2a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e020c850c34c769732dc892f2daf3f54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0116e1383a146ef6406d514764e87666.png)
试证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】集合
,
.
(1)若
,求实数
的取值范围;
(2)设点
,集合
所表示的两个平面区域的边界相交于点
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0c85439ab7831192e839be44055589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ed17fc894e8fcc547b9c161d669278.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e2b688b2e9419622fb80efab51169b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77684b3856f797403b2040c5dc73c2ce.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知偶函数
的最小值为-6.
(1)求
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(2)设函数
.已知
在
处取最小值并且点
是其图像的一个对称中心,试求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd2b0e9eb09721e58708d1cf5b5ad00d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd92cfc735de70ab71f0fc96d85b89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0895524b8f77430b98321116d0f85c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70cf0a83d1c60ac4c041a370dd8d9f02.png)
您最近一年使用:0次