题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224529-11162.gif)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224529-20311.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224529-30778.gif)
(2)设实数
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224529-10033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224529-54507.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224530-90207.gif)
(3)证明对一切
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224530-54390.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224530-35317.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224530-33666.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224531-57033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224531-89042.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224531-86193.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224531-51662.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224532-56672.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224532-64338.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224532-54658.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224532-88037.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224529-20311.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224529-30778.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224532-83962.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224530-33666.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224533-97974.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224533-82505.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224533-77255.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224533-20446.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224534-85977.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224534-57951.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224534-54403.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224534-33596.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224534-57951.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224532-88037.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224534-57951.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224530-90207.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224535-89690.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224535-72905.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224532-88037.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224535-85262.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224535-88587.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224535-98708.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224536-86425.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224536-98899.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224536-29487.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224531-57033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224531-89042.gif)
(3)问题等价于证明
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224536-86459.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224537-53406.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224537-19694.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224537-40849.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224537-78724.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224538-43361.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224538-87882.gif)
当且仅当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224538-67767.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224538-29554.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224530-35317.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224515-87625.gif)
(1)若b=-6时,函数f(x)有极大值,求实数c的取值范围;
(2)在(1)的条件下,若存在实数c,使函数f(x)在闭区间[m-2,m+2]上单调递增,求实数m的取值范围;
(3)若函数f(x)只有一个极值点,且存在t2∈(t1,t1+1),使f ′(t2)=0,证明:函数g(x)=f(x)-
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224515-26908.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224507-96836.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224507-62044.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224508-27078.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224441-81236.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224442-27698.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224442-74062.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224442-38641.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
已知:
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224431-93922.gif)
(1)设
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224431-98107.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224431-92641.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224431-17499.gif)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224431-92641.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224432-80677.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224432-58847.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017224423-63252.jpg)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
最新试题
- 1若某人乘坐出租车在平直公路上匀速行驶,右图为他到达目的地时的车费发票.求:出租车行驶的速度.
- 2小题1:This book is not useful for today’s students. This book
- 3把足量的下列固体①Mg ②MgO ③Mg(OH)2 ④MgCO3分别跟等质量的稀硫酸充分反应,下列有关说法不正确的是[
- 4升降机由静止开始以加速度a1匀加速上升3s,速度达到3m/s,接着匀速上升15s,然后再以与a1大小相同,方向相反的恒定
- 5两次世界大战对欧洲的影响中,相似点有①都产生了社会主义国家 ②形成了欧洲主宰世界的格局
- 6直流电源对用电器供电时,电流由电源的_________极流向_________极。
- 7读“木桶效应(组成木桶的木板如果长短不齐,那么这只木桶的盛水量,不取决于最长的那一块木板,而是取决于最短的)图”,回答1
- 8The supermarket provides customers _____ plastic bags for fr
- 9引发20世纪20年代末美国经济危机的原因有( )①纽约作为世界金融中心地位发生动摇 ②产销矛盾日益突出 ③市场上普遍推
- 10据《文选》记载:“中朝,内朝也。汉代大司马、侍中、散骑诸吏为中朝,丞相以下至六百石为外朝也。”关于“内朝”和“外朝”的理
热门考点
- 1计算:(2x+1)2﹣4(x﹣1)(x+1)
- 2下列加粗词语使用正确的一项是[ ]A.在汉代文学中,借屈原之名表达自己情感的作家为数不少,提及屈原这位令人充满同
- 3已知椭圆的长轴长是短轴长的3倍,则椭圆的离心率等于( )A.63B.23C.32D.23
- 4下列有关文学常识的表述,不正确的一项是 [ ]A.苏轼,字子瞻,号东坡居士,是北宋著名的文学家、书画家,与他的父
- 5精段精析 我本来打算趁那一阵喧闹偷偷地溜到我的座位上去;可是那一天,一切偏安安静静的,跟星期日的早晨一样。我从开着的窗
- 6先化简再求值 (1-1x)÷x2-2x+1x,其中x=2.
- 7在△ABC中,AC=5,中线AD=4,则AB边的取值范围是( )A.1<AB<9B.3<AB<13C.5<AB<13D
- 8在河南,对水的保护和合理利用一直受到人们的普遍关注。试填写:(1)使用硬水会给生活和生产带来许多麻烦。在日常生活中,人们
- 9The car salesman took the customer for a driver in the new m
- 10下列说法正确的是( )A.酸能与所有的金属反应制得氢气B.皮肤上沾到的酸可用NaOH溶液中和C.亚硝酸钠外观与食盐相似