设
为实数,函数
,
(1)讨论
的奇偶性;
(2)当
时,求
的最大值.
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572382442594304/1572382448738304/STEM/2ce78acd680c4282a73cbc5fc28913dc.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572382442594304/1572382448738304/STEM/691d740d16554212b5348e7f9180a057.png)
(1)讨论
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572382442594304/1572382448738304/STEM/cc7741d06f6a494292a389035682b80a.png)
(2)当
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572382442594304/1572382448738304/STEM/296c4551b3764a438a9c85d7f1200f8f.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572382442594304/1572382448738304/STEM/cc7741d06f6a494292a389035682b80a.png)
更新时间:2016-12-03 22:43:11
|
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解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知函数
.
(1)当
时,求函数
在区间
上的最小值和最大值;
(2)若
,总
,使不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835514b954f74e3983abb2170f01efe8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca327be6a7dc5a158fc22122ce76923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7409b8e4b38636929d90f0ac54b2ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca3b1f02a33e3370d59d60cf58682a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d640d40052ae1952f980ab4cf84992e2.png)
(1)用定义法证明
在区间
上是增函数;
(2)求函数
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d640d40052ae1952f980ab4cf84992e2.png)
(1)用定义法证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
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解答题-问答题
|
适中
(0.65)
【推荐1】设函数
是实数集R上的奇函数.
(1)求实数
的值;
(2)判断
在
上的单调性并加以证明;
(3)求函数
的值域.
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407840256/STEM/615e1b81f26f4c59a19d9c7f44ccc8a2.png)
(1)求实数
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407840256/STEM/dee105f779ec4993a7e050dcf14a925b.png)
(2)判断
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407840256/STEM/ad7dd331d8d647faa66ba6dfaf54558a.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407840256/STEM/db96399f26ad48239b3c257c89056831.png)
(3)求函数
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407840256/STEM/ad7dd331d8d647faa66ba6dfaf54558a.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
.
(1)判断函数
的奇偶性;
(2)根据第(1)问的结论,在坐标系中补全函数
的大致图像;
(3)说出函数
在区间
和
上的单调性(不必证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeb4f3307f608be2a027a72c048ef64.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)根据第(1)问的结论,在坐标系中补全函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)说出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6ffa6fe2387ee19234c2ad0fcb92ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://img.xkw.com/dksih/QBM/2017/10/9/1791390025998336/1792824380178432/STEM/4a8c2fbad39d430792b339ab20b0133c.png?resizew=236)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】已知函数
.
(1)判断函数
的奇偶性,并说明理由;
(2)指出函数
在区间
上的单调性,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49ab72dfabd32b63fb311ce2674ec45.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)指出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4e189f128005d8041f0c8a3b7391dc.png)
您最近一年使用:0次