题目
题型:解答题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181028-70828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181028-69211.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181028-63006.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-48508.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-13861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-33852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-75236.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-52387.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-33852.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181032-33251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-75236.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-52387.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-33852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-33852.png)
解析
试题分析:解:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181033-99782.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181034-37891.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181034-10404.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181034-50159.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-52387.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181034-92912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181034-73000.png)
A.
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181034-50159.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181035-15993.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-52387.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181035-86488.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181035-94908.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181035-10098.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-75236.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-52387.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-33852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181035-11677.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181035-30372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181036-14871.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181036-77587.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181036-77274.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181036-73583.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181036-78479.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181037-98252.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181035-30372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181036-14871.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-75236.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-52387.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181029-33852.png)
点评:主要是考查了导数的运用,研究函数的单调性,以及函数的最值,属于中档题。
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181021-44174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181021-66167.png)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181021-29483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181021-42456.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181021-68369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181022-92984.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181022-10307.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181022-70944.png)
(Ⅱ)当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181022-16956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181022-65779.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181007-39857.png)
(1)证明函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181008-60177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181008-65675.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181008-15983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181009-70753.png)
(3)在(2)的条件下,若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181009-57321.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181009-62248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181009-57792.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181009-86502.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181010-80361.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181011-27693.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181011-60670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819181011-32056.png)
(1)求f(x)和g(x)的解析式;
(2)若h(x)=f(x)-λg(x)在区间[-1,1]上是增函数,求实数λ的取值范围.
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180957-92636.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180957-78995.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180957-23673.png)
(2)解关于
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180957-58664.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180958-61504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180953-60237.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180953-98572.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180954-79899.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180954-42813.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180954-96603.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819180954-79899.png)
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