定义域和值域均为
的函数
满足:
,当
时,有
.
(1)判断函数
的奇偶性并证明;
(2)求证:
在
上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bf92155f517ac547552711d7e1804d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5efe66db991b562c73ffb16c1e585870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
更新时间:2020-12-05 20:34:06
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相似题推荐
解答题
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【推荐1】设
为常数.
(1)若
为奇函数,求实数
的值;
(2)判断
在
上的单调性,并用单调性的定义予以证明;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7624d48d3f3160774e8ff756002bb0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
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解答题-应用题
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解题方法
【推荐2】某工厂为提升品牌知名度进行促销活动,需促销费用
万元,计划生产并销售某种文化产品
万件(生产量与销售量相等).已知生产该产品需投入成本费用
万元(不含促销费用),产品的促销价格定为
元/件.
(1)将该产品的利润
万元表示为促销费用
万元的函数;(注:利润
销售额
投入成本
促销费用)
(2)当促销费用投入多少万元时,此工厂所获得的利润最大?最大利润为多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefc487adee864ed61a257048caf5b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7396af7fa4423ee5980e48f0038bceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0aaac7d50bfa96f318f0927138d144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b5d2678401fdc102e95b09dd2eac03.png)
(1)将该产品的利润
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
(2)当促销费用投入多少万元时,此工厂所获得的利润最大?最大利润为多少?
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解答题-证明题
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【推荐3】已知函数
是奇函数,且
.
(1)求
的解析式;
(2)判断函数
的单调性,并证明你的结论;
(3)若
,
,且
.求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a15cb642aa24639a1dc4eae028a3b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
(1)求
![](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/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d96f64b2911f61fd92f7962ea585e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47548b3d000a60b1058f9050571f1df.png)
您最近一年使用:0次
解答题-问答题
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名校
【推荐1】已知函数
的图象经过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76095b03d243fead89a6493614e4b68a.png)
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的值并判断
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(2)判断函数
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在
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1982786864f37e6f954e8d70f9970620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76095b03d243fead89a6493614e4b68a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
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解题方法
【推荐2】判断下列函数的奇偶性:
(1)
;
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8605b270cd3e9b5d225506281009583.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f814eb2da5efb147641f44ec3c289d.png)
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