题目
题型:不详难度:来源:
已知函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111113-33310.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111113-31514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111113-26861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111114-28004.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111114-64622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111114-67707.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111114-64002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111114-29925.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111115-94450.png)
解析
解:令
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111115-97760.png)
解得:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111115-18038.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111115-66755.png)
又
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111114-64622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111114-67707.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111114-64002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111114-29925.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111115-94450.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111057-78748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111057-50169.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111057-15291.png)
(2)求证:当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111058-56035.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111058-41504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111058-32296.png)
(3)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111057-15291.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111058-45485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111057-78748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111043-47460.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111043-81857.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111044-29859.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111044-53426.png)
(I)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111044-15810.png)
(Ⅱ)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111044-38375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111044-16032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111045-96818.png)
设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111034-61253.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111034-34296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111035-24956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111035-18274.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111035-44404.png)
(Ⅰ)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111035-63449.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111035-20535.png)
(1)求f(x)的极值;
(2)若曲线y=f(x)与x轴仅有一个交点, 求a的取值范围.
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111018-75064.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111018-29887.png)
(1)求g(t)的表达式;
(2)对于区间[-1,1]中的某个t,是否存在实数a,使得不等式g(t)≤
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018111018-34892.png)
最新试题
- 1下列史实与武则天无关的是[ ]A.《姓氏录》B.改革漕运制度C.“贞观遗风”D.乾陵“无字碑”
- 2某扇形统计在图中,一扇形的圆心角为36°,则该扇形代表的部分占总体的百分比为______.
- 3如图所示,舞台上经常用喷撒干冰(固态二氧化碳)的方法制造白雾,以渲染气氛.对“白雾”的形成,小明的解释是:(1)干冰升华
- 4杨梅生活在一个幸福的三口之家,爸爸、妈妈上班,杨梅上学。杨梅的家庭是 [ ]A.单亲家庭B.主干家庭C.核心家庭
- 52006年度世界十大科技进展新闻之一是合成118号超重元素,全球学生所熟悉的元素周期表将需要作出更新.已知该元素原子的相
- 6He asked me how much he ________ me and I told him that the
- 7每年的3月22日都是“世界水日”,人类离不开水,水是生命之源,请回答:(1)地球表面约有71%被水覆盖,但可供人类使用的
- 8I had no idea when and where _____.A. it happened B. does it
- 9 DThe spread of worsening international financial crisis has
- 10第二节:读写任务(共1小题,满分25分)阅读下面的短文,然后按照要求写一篇150词左右的英语短文。“Depend on
热门考点
- 1古希腊历史学家希罗多德说“埃及是尼罗河的赠予”,他强调的是 因素对埃及文明形成所产生的影响[
- 2身高相等的三名同学甲、乙、丙参加风筝比赛,三人放出的风筝线长、线与地面的夹角如下表(架设风筝线是拉直的),则三人所放的风
- 3青春期心里充满着矛盾,要处理好这些矛盾,应该在采取的方法是( )A.任其发展B.注意思考C.自觉调控D.勇于探索
- 4根据下面句子的意思及所给的汉语提示,写出空缺处单词、固定短语或搭配的正确形式。1. He _______(是) my f
- 5【题文】下列选项中句式全都是状语后置的一项( )①以其无礼于晋,且贰于楚也
- 6准备在图中①②③④四处安排小麦、花卉、乳牛、水果四种农业类型种植,其安排合理的是 [ ]A.①小麦②水果③乳牛
- 7确定背斜的最可靠的依据是 [ ]A.岩层向上拱起B.中心部分岩层较新,两翼部分岩层较老C.在地形上为山峰和山岭D
- 8Our bedrooms are all on the sixth floor, with its own
- 96名大学毕业生到3个用人单位应聘,若每个单位至少录用其中一人,则不同的录用情况种数是 [ ]A.2012
- 10下列说法正确的是( )A.与元素的化学性质关系密切的是原子的最外层电子数B.地壳中含量最多的非金属元素是硅C.含氧元素