1 . 已知函数
.
(1)若
在
上单调递减,求实数
的取值范围;
(2)当
时,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ccaa3693a29f835f3f4a5800144779.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13e38a5ee18ecf4af2d9a8443b4a7bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8b43bbfc08fb32faa35b917185431f3.png)
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名校
2 . 已知
,
且
,若函数
在区间
上的最大值与最小值之差为1.
(1)求
的值;
(2)若
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a752eb1c3b6cecb539e2bd68decc58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74088e31acd9bc94dc8bc34e616bef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb62f44c2ccedfb633ca8bff9afed4fb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00879cffccc124857ca755a8c345e45f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150ad146c854e4c7b5f0938284f36eb0.png)
您最近一年使用:0次
2020-02-24更新
|
358次组卷
|
2卷引用:安徽省合肥市肥东县第二中学2019-2020学年高一上学期期中数学试题
名校
解题方法
3 . 函数
在
上单调递减,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3d1db06c292f1f9099aaf0b5012202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知函数
在
上是单调函数,则
的取值范围是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfa6fb81ae0442ae268b17a45fc07b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff4a1f5d3ad9d7668fe555e70b774c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 函数
在
上是增函数,则实数
的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a364ac93aa6fd8953728bd30c5523439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1215d01764a3b041d2f4497806da95d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 若函数
在区间
上为增函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3899cb751041a2960a92e9632e534c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9006ed5e53e4637fbacec7832dfe2146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 对于在区间
上有意义的两个函数
和
,如果对于任意
均有
成立,则称函数
和
在区间
上是接近的.若
与
在区间
上是接近的,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac502f3aadb3b15abf4aa7368b7f5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbca13ea262445381bac519fa2ecb5ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ded8413604a2bf293d71b32c522f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac502f3aadb3b15abf4aa7368b7f5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b67deaf3950ce20ee5d0522270124ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dce2bfe6e1fde9265d2a07c42bbdf58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83ff2063c1e8614236d50d161be642a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 函数
(
且
)是
上的增函数,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/919179863c951f9d13b04c672f6683ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 .
在
上是增函数,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e76fc4bb7e679b1a1fc3687d7afdd146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9194617125f79af4cf326378b33f55fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 若
在区间
上递减,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7efa97b1fdc78a35dc8b9ebf6d63f951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ee8e343e4f92eff635b69aaf43e49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次