1 . 已知函数f(x)=
.(a>0)
(1)判断函数的奇偶性
(2)证明:函数f(x)在区间(
,+∞)上是增函数;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210eda608d3d61376333a11446db9ca3.png)
(1)判断函数的奇偶性
(2)证明:函数f(x)在区间(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d012d124f04963fb72a68af40d5f8f42.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,且函数
是奇函数.
(1)求
的值;
(2)当
时,不等式
恒成立,求实数
的取值范围;
(3)设函数
,若
是函数
定义域上的任意两个变量,试比较
与
的大小,并给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9912096dd0d7a2462d09f3246d089ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f999f9c9246a6d128807b138d9d15de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707f55e317dd070cfaa67b7a14caab9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151298d3c6fb85b51ea4fe0dbb208a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9b5c55f1377f490cab9f080ce167f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fa70895b863a44094e0d9d03e0463e.png)
您最近一年使用:0次
解题方法
3 . 已知函数
的定义域为
.
(1)判断函数
的单调性,并用定义给出证明;
(2)若实数
满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99d69f25ae67924c95147ced449b73ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172feaa3b97b93fcacdaadcb5c766689.png)
(1)判断函数
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572454287261696/1572454293135360/STEM/13c8328cca364703a51e0706006baf5c.png)
(2)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e6f177184979dc8a1f9b2127a9946a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
13-14高一上·江苏南京·期中
4 . 已知函数![](https://img.xkw.com/dksih/QBM/2014/1/8/1571466909147136/1571466914955264/STEM/4b7d8ee27eb34ed89e3996733970fbbe.png)
(1)用定义证明
在
上单调递增;
(2)若
是
上的奇函数,求
的值;
(3)若
的值域为D,且
,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2014/1/8/1571466909147136/1571466914955264/STEM/4b7d8ee27eb34ed89e3996733970fbbe.png)
(1)用定义证明
![](https://img.xkw.com/dksih/QBM/2014/1/8/1571466909147136/1571466914955264/STEM/3fb13af9d06a4c37881f9e1ec6371a43.png)
![](https://img.xkw.com/dksih/QBM/2014/1/8/1571466909147136/1571466914955264/STEM/5e418a6029894ee9ac5479582e539c2e.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2014/1/8/1571466909147136/1571466914955264/STEM/3fb13af9d06a4c37881f9e1ec6371a43.png)
![](https://img.xkw.com/dksih/QBM/2014/1/8/1571466909147136/1571466914955264/STEM/5e418a6029894ee9ac5479582e539c2e.png)
![](https://img.xkw.com/dksih/QBM/2014/1/8/1571466909147136/1571466914955264/STEM/a566af92d95243b89278b2c319e7f737.png)
(3)若
![](https://img.xkw.com/dksih/QBM/2014/1/8/1571466909147136/1571466914955264/STEM/3fb13af9d06a4c37881f9e1ec6371a43.png)
![](https://img.xkw.com/dksih/QBM/2014/1/8/1571466909147136/1571466914955264/STEM/5b38c4c91c4946ca8fee84ef5b61b861.png)
![](https://img.xkw.com/dksih/QBM/2014/1/8/1571466909147136/1571466914955264/STEM/a566af92d95243b89278b2c319e7f737.png)
您最近一年使用:0次
11-12高一上·江苏淮安·期中
名校
解题方法
5 . 已知函数
,
(1)当
时,证明:函数
不是奇函数;
(2)判断函数
的单调性,并利用函数单调性的定义给出证明;
(3)若
是奇函数,且
在
时恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2175f13743f2e4189d688dd31496f44a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d832573234ef6408e0a3ab5c2905cd72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b6e2ac09e6a5d3a40d04c01d1d1ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-12-01更新
|
839次组卷
|
3卷引用:2016-2017学年江苏沭阳县高一上期中数学试卷