题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033205-78333.png)
(1)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033205-45430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033205-39907.png)
(2)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-24961.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-16415.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-11374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-62241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-49710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-62241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-80347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-70692.png)
解析
试题分析:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-66799.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033207-92918.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-11374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-62241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-49710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033207-57750.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033207-25293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033207-74874.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033207-74874.png)
试题解析:(1)由题意:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033207-40739.png)
①当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-11374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033207-26826.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-62241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033207-87684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-62241.png)
②当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-49710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033207-57750.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-80347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033208-29848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033208-67638.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033208-51345.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033207-26826.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-62241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033208-81224.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033209-45638.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-62241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033208-81224.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033209-29130.png)
综上,当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-11374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-62241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-49710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-62241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-80347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-70692.png)
(2)由
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033209-77254.png)
设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033209-12617.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033209-71631.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033210-55738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033210-88124.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033210-55738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033210-88124.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033210-60512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033210-92956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033210-66458.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033211-95942.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033211-32863.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033206-16415.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033149-66865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033150-51021.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033150-56476.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033150-56476.png)
(3)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033150-80093.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033150-89920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033151-80098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033151-12817.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033151-74713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033124-90402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033124-45758.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033124-60264.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033125-76221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033125-58055.png)
(2)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033125-87788.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033125-69092.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033125-18650.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033126-33327.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033126-46946.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033126-42399.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033126-59589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033103-53039.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033103-40855.png)
(2)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033103-16120.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033103-49278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033104-50849.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033104-72266.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033053-33615.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033054-18901.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033050-68732.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033050-63970.png)
最新试题
- 1默写(1)此中有真意,___________________。(陶渊明《饮酒》)(2)_________________
- 2More than 60% of the students ____ the countryside. A.isB.
- 3若﹣7xm+4y2与﹣3x3yn﹣2是同类项,则mn=( ).
- 4下列图正确反映了地球自转方向的是( )A.B.C.D.
- 5小满的叔叔从日本带回了一个标有“110V,40W”的白炽灯,他想在家里使用,于是给它串联了一个电阻,使它正常发光。同时小
- 6下列各组气体通常情况下能大量共存,并且既能用浓硫酸干燥,又能用碱石灰干燥的是[ ]A. SO2、O2、HBr B
- 7阅读材料,回答问题材料一 条约主要内容有: 尊重中国的主权与独立及领土和行政完整;建立并维护各国在中国的商务实业“机会均
- 8已知在298K时下述反应的有关数据:C(s)+1/2O2(g) =CO(g) △H1=-110.5kJ/mol C(s)
- 9在乙醇发生的下列反应里,乙醇分子中碳氧键断裂的是[ ]A.乙醇在浓硫酸存在的情况下与乙酸发生酯化反应B.乙醇与金
- 10下列物质中,可一次性鉴别乙酸、乙醇、苯及氢氧化钡溶液的是[ ]A.金属钠 B.溴水C.碳酸钠溶液D.紫色石蕊溶液
热门考点
- 1维护国家的荣誉和利益,应该做到 [ ]①对祖国关心、热爱和忠诚,对民族自尊和自信 ②在任何情况下,都以大局为重,
- 2对右边漫画《同意的请举手》理解正确的是( )①这种做法玷污了公民神圣的民主权利②这种选举可能发生在直接选举中,也可能发
- 3(青海)计算23+1=______.
- 4地球绕日公转的周期是[ ]A、一天 B、一个月 C、一个季度 D、一年
- 5刘邦因宠爱戚夫人而打算废太子,大臣叔孙通说:“秦以不早定扶苏,胡亥诈立,自使灭祀,此陛下亲见也。……陛下必欲废嫡而立少,
- 6(1)如图1所示为某同学安装的“探究加速度与力、质量的关系”的实验装置,若在图示状态下开始做实验,请从该同学的装置和操作
- 7按照“西气东输”计划,2003年底天然气已进入南京.南京将用三年完成44万户煤气管道用户的置换改造,用上天然气,在200
- 8我国东汉时期伟大的天文学家张衡说过:“君子不患位之不尊,而患德之不崇;不耻禄之不厚,而耻智之不博。”这句古训告诉我们A.
- 9 为防止疲劳驾驶,保证交通安全,春运期间,交警部门在高速公路出入口设置检查站,拦下连续驾车3小时以上的司机,要求他们至
- 10下表是某地区市场上销售的一种“加碘食盐”包装袋上的部分文字说明.请根据此表,结合化学和生物学科的知识,回答下列问题.配料