名校
1 . 若非零函数
对任意实数
均有
,且当
时,
;
(1)求证:
(2)求证:
为减函数
(3)当
时,解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db7387dec34f24cacb1cd95c433e8a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e37c94f22f621f6952e100cd6c2d3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55564a6c08355a571f1157bc2b8204ad.png)
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2016-12-04更新
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6卷引用:人教A版高中数学必修一第1章《集合与函数概念》单元测试