1 . 对于在区间
上有意义的两个函数
与
,如果对任意的
,均有
,则称
与
在
上是接近的,否则称
与
在
上是非接近的.现在有两个函数
与
,现给定区间
.
(1)若
,判断
与
是否在给定区间上接近;
(2)若
与
在给定区间
上都有意义,求
的取值的集合
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
(3)在(2)的条件下,是否存在
,使得
与
在给定区间
上是接近的;若存在,求
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5aff60e0e18dec5ddfa15bd1d91958e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0597404b9110a0e25b644c9e51aabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d220d623c5e1f0be00b173ba524dfba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a9ca12b588bb208de5e7da200c7272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d9b91bab8bc82f119216cc743c8dbb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3129ddd2ea97fd010b9e0b644225da8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d9b91bab8bc82f119216cc743c8dbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
(3)在(2)的条件下,是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f1ecfcbe90dca8dc8f3aa7ebaccfb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d9b91bab8bc82f119216cc743c8dbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
解题方法
2 . 已知
是定义在
上的奇函数,且
,若
时,有
.
(1)求证:
在
上为增函数;
(2)求不等式
的解集;
(3)若
对所有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d664e9ea8088c35bb6b0550f18675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b67f7b127acdedafc2e9a61bb9483a99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca3e05cadfe77556641fcfb130e717f.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d664e9ea8088c35bb6b0550f18675.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c3596a700e789f9f8366c5a618a85.png)
(3)若
![](https://img.xkw.com/dksih/QBM/2016/5/4/1572615649533952/1572615655006208/STEM/c1ba12d9880240e1b1b56566ff478146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e62aebcf3cec0b67ca9e8b52fa7a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2016-12-04更新
|
622次组卷
|
2卷引用:2015-2016学年湖北省汉川市高一上学期期末考试数学试卷