题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135325-31088.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135325-32470.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135325-63455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135326-63790.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135330-98334.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135330-64049.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135330-96303.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135331-83584.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135331-45926.png)
解析
试题分析:令
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135331-39963.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135330-98334.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135338-76414.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135330-98334.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135338-92198.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135325-31088.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135338-92198.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135330-98334.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135331-83584.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135339-27882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135339-94997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135339-97569.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135331-45926.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135314-14931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135314-20967.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135314-85064.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135314-83313.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135315-95830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135315-43815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135315-69099.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135157-97976.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135157-16295.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135157-26563.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135157-47942.png)
(1)根据图象,求一次函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135157-26563.png)
(2)设公司获得的毛利润(毛利润=销售总价—成本总价)为
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135158-96367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135157-16295.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135158-10265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135121-48491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135121-76516.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135121-86032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135121-48491.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135122-57685.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135122-69514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135122-83367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135122-79070.png)
(3)若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135122-11258.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135121-48491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135123-25366.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135110-82346.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135112-32664.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135113-27476.png)
(2)在该团中随机采访2名游客,求其中持金卡与持银卡人数相等概率.
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135051-69984.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204135055-32574.png)
(1)该公司已有100万元资金,并全部投入A,B两种产品中,其中x万元资金投入A产品,试把A,B两种产品利润总和表示为x的函数,并写出定义域;
(2)在(1)的条件下,试问:怎样分配这100万元资金,才能使公司获得最大利润?其最大利润为多少万元?
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