名校
解题方法
1 . 设函数
的定义域为D,对于区间
,若满足以下两条性质之一,则称I为
的一个“
区间”.
性质1:对任意
,有
;
性质2:对任意
,有
.
(1)分别判断区间
是否为下列两函数的“
区间”(直接写出结论);
①
; ②
;
(2)若
是函数
的“
区间”,求m的取值范围;
(3)已知定义在
上,且图象连续不断的函数
满足:对任意
,且
,有
.求证:
存在“
区间”,且存在
,使得
不属于
的所有“
区间”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a67b23b778224005c7bf0097ff488f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
性质1:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bb6324279df94decba955e04ccfa9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1e560364dea022693928309250f158.png)
性质2:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bb6324279df94decba955e04ccfa9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51dc07201b5f984fafd2cf968bec88ff.png)
(1)分别判断区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb68ccf2d913a83e68df3524263aa8dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85410ff00c81839ff9a64bf86dc36f5e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301bacc282b75b95f9bee92a618d544f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d4cd02b69b76000f9b9826d9929a324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
(3)已知定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd423a80d5b6fea8753fa1813cfbcc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd809d14a09c538823c43745fe3aee13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07ad90ca228230b03f12eb48ee0c1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
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2023-01-05更新
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5卷引用:上海市浦东新区华东师范大学第二附属中学2023-2024学年高一上学期期末质量检测数学试卷
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