题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024330-60632.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024330-66221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024330-67247.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024331-50835.png)
A B C D
答案
解析
试题分析:函数f(x)在x=﹣2处取得极小值,所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024331-20706.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024331-82715.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024331-84941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024332-55054.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024331-20706.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024332-76105.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024332-67983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024332-62506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024332-16569.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024332-76105.png)
核心考点
试题【8. 设函数f(x)在R上可导,其导函数为f ′(x),且函数f(x)在x=﹣2处取得极小值,则函数y=xf ′(x)的图象可能是( ) A 】;主要考察你对常见函数的导数等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024321-85890.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024322-24597.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024322-20750.png)
(2)讨论
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024322-20750.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024322-54928.png)
(3)是否存在x0>0,使得|g(x)﹣g(x0)|<
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024322-30339.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024302-92004.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024303-52644.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024303-16311.png)
(1)若曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024303-79632.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024303-54829.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024303-69685.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024304-95344.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024304-13372.png)
(3)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024304-58970.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024304-41623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024303-79632.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024305-22270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024245-77247.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024245-91434.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024245-26043.png)
(1)对于函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024246-81919.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024246-78998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024246-89802.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024246-51032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024246-32051.png)
(2)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024247-94203.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024247-30380.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024247-34487.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024247-22978.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024248-34449.png)
(2)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024248-84686.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024248-78496.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024235-93572.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024235-75742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024235-48074.png)
(1)试讨论函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024236-26274.png)
(2)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024236-10631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024236-71551.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024236-56207.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024237-59940.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024221-15000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024222-27310.png)
(1)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024222-31546.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024222-61122.png)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024222-88556.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024222-16355.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024222-40480.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024222-57004.png)
(参考数值:自然对数的底数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024222-18174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018024222-60437.png)
最新试题
- 1下列地区有利于形成较大城市的是A.河流发源地B.荒漠地区的绿洲C.在大河入海处D.河流上游地区
- 2点A(3,)和点B(-2,)都在直线y=-4x+1上,则,的大小关系是( )(选填“>”“=”“<”
- 3在自来水消毒过程中通常要发生化学反应,其反应的微观过程模拟如下图所示:根据以上反应,你能获得哪些信息?(1)______
- 4如果点P(m-4,m+2)在直角坐标系的y轴上,则点P的坐标为( )。
- 5观察下图,对其反映的事件评价不正确的是 [ ]A.其主要目的是增强民族的凝聚力 B.体现了“自力更生为主,争取
- 6Her boss expressed his unsatisfaction with ________she has m
- 7(原创题) (11分) 300℃时,将2 mol A和2 mol B两种气体混合于2 L密闭容器中,发生如下反应:3A(
- 8人类历史上的战争许许多多,我们在了解这些战争的时候,除了要知晓其发生、发展的过程之外,更多的是要围绕战争进行思考,尤其要
- 9完型填空(共20小题;每小题1分,满分20分)阅读下面短文,掌握其大意,然后从四个选项(A、B、C和D)中,选出最佳选项
- 10I don’t think that your speech _____to the crowd, for they a
热门考点
- 1如图,每个小正方形的边长为1,A、B、C是小正方形的顶点,则∠ABC的度数为[ ]A.90°B.60°C.45
- 2阅读下面一篇文章,完成下面题目。最后一次支离破碎的善意(15分)①她是班里让人心怜的差生。起初,很多的人不明白,为何她的
- 3单词拼写(每小题1分,共10分)小题1:That lovely cottage by the seaside has b
- 4阅读下面的材料,根据要求写一篇不少于800字的文章。(60分)[材料1]小新背双腿瘫痪的小牧到一公里外的学校上学,从小学
- 5程朱理学被统治阶级利用的主要原因是( )A.有利于儒学的传播B.有利于塑造气节、品德C.有利于传统文化的发展D.有利
- 6若数列{an}的前n项和Sn=n2-10n(n=1,2,3,…),则a5=______.
- 7已知tan2α=34,α∈(0,π4),则sinα+cosαsinα-cosα=______.
- 8已知圆柱的体积为,则圆柱表面积的最小值为( )。
- 9阅读下列材料,结合所学知识回答问题:材料一:“现代的文明的美国历史,是由一次伟大的、真正解放的、真正革命的战争开始的,这
- 10【题文】下图为世界局部区域海平面等压线圈,读图,完成下列问题。【小题1】此时A地的风向是A.东南风B.西北风C.西南风D