题目
题型:填空题难度:一般来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063731-40954.png)
答案
解析
试题分析:因为,
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063731-40954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063731-50710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063731-40954.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063726-38059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063726-47141.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063727-90154.png)
(2)若对
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063727-85801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063727-80992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063721-14089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063721-27285.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063722-42828.png)
(I)若
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063722-18991.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063722-27190.png)
(II)在(I)的结论下,设函数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063722-83555.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063722-92971.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063723-99720.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063715-26059.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063715-89897.gif)
(1)求实数m的值;
(2)判断函数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063715-99918.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063716-68778.gif)
(3)当
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063716-29175.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063716-68778.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063715-99918.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063716-68778.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063716-80507.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063716-98129.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063703-30288.png)
(Ⅰ)当
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063703-66327.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063703-78768.png)
(Ⅱ)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063703-78768.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063703-78768.png)
(1)当车速为
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063657-88786.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063657-17746.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818063657-17746.gif)
(2)当车速为多大时,从甲地到乙地的耗油量最少
最新试题
- 1(本小题满分13分)已知函数(I)求函数的单调区间;(II)若,在(1,2)上为单调递减函数。求实数a的范围。
- 2下列说法中错误的是( )A.登月舱从地球到月球上,质量没变B.一杯水结冰后体积增大,质量没变C.玻璃杯打碎后,形状发生
- 3如图.在直角△ABC中,已知∠ACB=90°,CD⊥AB于点D,则下列关系不一定成立的是( )A.AB>AC>ADB.
- 4从经济近代化角度看,四幅图片中使人类由传统经济活动过渡到近代经济活动是
- 5When the man was trying to break into the bank,he was caught
- 6若一个底面是正三角形的三棱柱的正视图如图所示,其侧面积等于[ ]A.B.2C.2D.6
- 7已知数列满足: (1)若,求数列的前30项和的值; (2)求证:对任意的实数a,总存在正整数m,使得当n>m()时
- 8已知函数f(x)=e2x-2tx,g(x)=-x2+2tex-2t2+12.(1)求f(x)在区间[0,+∞)的最小值;
- 9下列各组物质按酸、碱、盐分类顺序排列,正确的是( )A.硫酸,纯碱(Na2CO3),石灰石B.醋酸,烧碱(NaOH),
- 10200922008 ×2 010=( ).
热门考点
- 1(6分)西式快餐中的油炸薯条是高盐、高热量食品。高盐摄入量意味着“高血钠”症,食盐的主要成分是氯化钠,其中氯元素是人体所
- 2下图是某同学配制50克质量分数为5%的盐水的全过程(1)请找出图中的错误(至少两种) _________ 、 _____
- 3Most of the local people insist that the old temple _______
- 4澳门特别行政区成立以来,特别行政区政府根据“一国两制”方针积极履政,社会各方面欣欣向荣。政府机构运作顺畅,经济发展迅速,
- 5【题文】给出下列四个命题:①函数在上单调递增;②若函数在上单调递减,则;③若,则;④若是定义在上的奇函数,则.其中正确的
- 6填补下列名句的空缺处或按要求填空(每空1分)小题1: _________,君子好逑。小题2:乡书何处达?________
- 7下列各图中的物理现象属于凝华的是
- 8Most of students like to play sports during their holidays.
- 9全球气候变暖会导致气候极端事件频发。[ ]
- 10下列各句中标点符号使用有误的一项是( )A.一位英雄,经得起多少次雨季?他的额头是水成岩削成还是火成岩?他的心底究竟