题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034928-18816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-70560.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-88373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-41400.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-31722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034930-85244.png)
(3)证明: 对一切
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034930-80597.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034930-53861.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034930-78018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034931-21123.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034931-50277.png)
解析
试题分析:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034931-77966.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034931-88988.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034931-68311.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034932-68996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034932-94740.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034932-71973.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034932-38474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034932-12668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034933-55196.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034933-27738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034933-72925.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034933-35427.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034934-81178.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034934-68229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-31722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034934-64661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034934-14598.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034934-71595.png)
(3) 设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034935-24326.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034935-60139.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034935-18396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034935-33142.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034936-30699.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034936-96769.png)
试题解析:
(1)∵
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034936-64543.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034936-52422.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034936-82013.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034937-45141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034937-96283.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034937-60032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034936-64543.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034937-56264.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034937-46560.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034938-37998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034938-45252.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-31722.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034938-14872.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034938-96994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-31722.png)
①
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034933-55196.png)
②
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034933-27738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034933-72925.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034933-35427.png)
③
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034934-81178.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034934-68229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-31722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034934-64661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034934-14598.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034934-71595.png)
(3)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034939-39992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034939-76846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034939-35469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034939-42661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034939-32043.png)
设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034940-53208.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034940-15587.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034940-57471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034931-88988.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034935-18396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034940-34387.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034920-13635.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034921-17975.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034921-55658.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034909-33957.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034909-68347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034909-25869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034909-25586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034909-70883.png)
(Ⅰ)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034910-98946.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034910-85031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034910-17007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034902-56286.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034902-77494.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034851-95134.png)
(Ⅰ)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034851-52559.png)
(Ⅱ)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034851-72211.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034852-53397.png)
(Ⅲ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034852-14677.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034852-95789.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034852-61437.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034838-75569.png)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034838-30501.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034839-92318.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034839-92318.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034839-50637.png)
(Ⅱ)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034839-92318.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034839-73395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034839-12881.png)
最新试题
- 1——Do you think I should wear a hat to the party?——It all dep
- 2下列含有硫元素的物质中,硫元素的化合价最高的是A.H2SO3B.H2SO4C.KHSO3D.Na2S2O3
- 3若y=mx|m|+2是一次函数的解析式且y随x的增大而减小,则m的值等于______.
- 4Animals have died coming into contact with this c
- 5秦岭---淮河是我国南、北方的主要分界线,它还是( )A.年降水量400毫米以上和以下的界线B.半湿润地区和半干旱地区
- 6十八届三中全会公报指出,中国将设立 ,完善国家安全体制和国家安全战略,确保国家安全。A.国家安全机关B.国家安
- 7下列反应不属于氧化还原反应的是A.2F2 + 2H2O =" 4HF" + O2B.Cl2 + H2O =" HCl"
- 8黄土高原地面破碎,沟谷密度 ,平地 ,斜坡 。
- 91954年《中华人民共和国宪法》所体现的两大原则是( )①人民民主 ②民主集中 ③社会主义 ④民主协商A.①③B.②④
- 10当a为任意实数,直线(a-1)x-y+a+1=0恒过定点C,则以C为圆心,5为半径的圆的方程为( )A.(x+1)2+
热门考点
- 12009年,欧洲航天局发射了两颗太空望远镜--天文卫星,它们飞往距离地球约160万公里的地点(图中L2).L2点处在太阳
- 2人们在认识世界和改造世界的过程中,都要解决一个共同的问题,即 ( )①思维与存在的辩证关系问题 ②意识与物质的关
- 3请从C、H、Na、O、Ca、He六种元素中,选择适当元素的写出符合下列要求的物质的化学式:(1)可作为干燥剂的金属氧化物
- 4质量相同的鸡和鸭同在湿稻田里走动,鸡的脚印比鸭的深,这是因为鸡与鸭相比,鸡脚掌接触地面的面积较______,对地面产生的
- 5去括号:(a﹣b)﹣(﹣c+d)=( ).
- 6— Are we going to have sports meeting this week? — No. It’s
- 7 If Bob"s wife won"t agree to go on a holiday in winter,____
- 8溴被称为“海洋元素”。溴的元素符号是A.BB.BeC.BrD.Bi
- 9心脏分为四个腔,图中①和②所指的腔分别是 [ ]A.右心房、左心室 B.左心室、右心房 C.右心房、动脉腔 D
- 10The death of her dog made her sad, and it took a long time t