已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1177cb24a42f8897326e1b1216575171.png)
(1)试判断函数
在R上的单调性,并证明之;
(2)已知函数
,试判断函数
在R上的奇偶性,并证明之.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1177cb24a42f8897326e1b1216575171.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26763fa849bfd9211000c2f101a4c76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
更新时间:2018-11-26 08:07:48
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解答题-问答题
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适中
(0.65)
【推荐1】已知奇函数
,当
时,
.
(1)求实数
的值;
(2)判断函数
在区间
上的单调性,并加以证明;
(3)若实数
,解关于
的方程
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365114c53aa12abda1004c8e4cb4ca0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0559b5f688e68d3d5232dc7aa2fda4.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
(3)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b84131e431e5a54f51f74e53f486394b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db438091ea109f352bb036b594489db7.png)
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名校
【推荐2】已知函数
为奇函数.
(1)求实数k的值;
(2)设
,证明:函数
在
上是减函数;
(3)若函数
,且
在
上只有一个零点,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/170378ced729a6b7379ad9cc38708b0c.png)
(1)求实数k的值;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4816ee62df86b02e9bcde42b82ef2c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf9092450a83b2dff5d0c65eb6b1e7c.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46fb3a5d99af991e7c09f3bf2707cf43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d9673a2a09feadf0172b1cfe54be7a4.png)
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适中
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解题方法
【推荐1】已知函数
的定义域是
,且
,
,当
时,
.
(1)判断
的奇偶性,并说明理由;
(2)求
在区间
上的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0264e9fd28ff510bbad2a2f4bbb2a51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b568b2cee9ef2a32d2f27305a9104d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d30476c259449b920315d0ea2e8c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7511e6ce72a5232820b7007f976be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc4e3775c850f1c1804f9eb7a70153a.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118d9c160ab27e1cfa882bc84d3ceb83.png)
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解题方法
【推荐2】已知函数
.
(1)判断函数
的奇偶性;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc25f25645503e2792a3a2662738da8.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b222dc2a68d433409cae95997a7f0c4d.png)
您最近一年使用:0次
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【推荐3】已知
.
(1)判断函数
的奇偶性,并说明理由;
(2)若实数
满足
,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6cafb3334c0c9e1d911ff8fa829bf5c.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466499e7e0b82533a6869b9f8483d63e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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