题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060700-25009.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060700-75350.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060700-82055.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060700-75667.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060700-80631.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060701-20963.gif)
⑴若
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060701-20153.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060701-73351.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060701-59084.gif)
⑵若
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060702-29921.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060701-73351.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060701-59084.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060702-28073.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060702-75905.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060703-29333.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060703-24482.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060703-73814.jpg)
⑴ 由图⑴可知,
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060702-28073.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060702-75905.gif)
方法2:(用作差比较法,略).
核心考点
举一反三
⑴饲养5年后,鱼重量预计是原来的多少倍?
⑵如因死亡等原因,每年约损失预计重量的10﹪,那么,经过几年后,鱼的总质量开始下降?
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060633-44960.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060633-62035.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060634-50912.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060634-67288.gif)
且
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060634-41892.gif)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060634-46856.gif)
(2)已知各项均不为零的数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060635-31710.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060635-11536.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060635-56316.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060635-31236.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060636-81749.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060619-77748.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060620-66683.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060620-36409.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060620-52664.gif)
⑴求
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060620-24191.gif)
⑵求
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060621-56222.gif)
⑶求
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060621-18443.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060555-93343.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060555-88813.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060555-35482.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060555-97608.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060551-69123.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060551-37018.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060551-20183.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060551-40467.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013060552-99050.gif)
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