位置:首页 > 题库频道 > 学历类 > 升学考试 > 高中(高考) > 数学(文科) > 高中数学代数与函数一其他练习题791

设函数 http://picflow.koolearn.com/upload/papers/20140823/20140823231855409995.png在区间(0,4)上是减函数,则 http://picflow.koolearn.com/upload/papers/20140823/20140823231855424313.png的取值范围是(   )

发布时间:2021-07-15

A.http://picflow.koolearn.com/upload/papers/20140823/20140823231855440421.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823231855471396.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823231855502601.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823231855518611.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823231855565670.png

试卷相关题目

  • 1对于函数 http://picflow.koolearn.com/upload/papers/20140823/20140823225953284652.png,在使 http://picflow.koolearn.com/upload/papers/20140823/20140823225953299629.png成立的所有常数 http://picflow.koolearn.com/upload/papers/20140823/20140823225953331399.png中,我们把 http://picflow.koolearn.com/upload/papers/20140823/20140823225953331399.png的最大值 http://picflow.koolearn.com/upload/papers/20140823/20140823225953362462.png叫做 http://picflow.koolearn.com/upload/papers/20140823/20140823225953284652.png的下确界,则对于 http://picflow.koolearn.com/upload/papers/20140823/20140823225953643534.png,且 http://picflow.koolearn.com/upload/papers/20140823/20140823225953658396.png不全为 http://picflow.koolearn.com/upload/papers/20140823/20140823225953674262.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823225953689632.png的下确界是(   )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823225953705310.png

    B.2

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823225953721272.png

    D.4

    开始考试点击查看答案
  • 2已知非零向量 http://picflow.koolearn.com/upload/papers/20140823/20140823224112828391.png满足: http://picflow.koolearn.com/upload/papers/20140823/20140823224112843526.png,若函数 http://picflow.koolearn.com/upload/papers/20140823/201408232241128901131.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823224113015303.png上有极值,设向量 http://picflow.koolearn.com/upload/papers/20140823/20140823224112828391.png的夹角为 http://picflow.koolearn.com/upload/papers/20140823/20140823224113046297.png,则 http://picflow.koolearn.com/upload/papers/20140823/20140823224113077430.png的取值范围为(   )

    A.[http://picflow.koolearn.com/upload/papers/20140823/20140823224113093425.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823224113108474.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823224113140443.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823224113155493.png

    开始考试点击查看答案
  • 3已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824013519713959.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013519729323.png处取得极大值 http://picflow.koolearn.com/upload/papers/20140824/20140824013519760298.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824013519791404.png的值为(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824013519807304.png

    B.-http://picflow.koolearn.com/upload/papers/20140824/20140824013519838382.png 

    C.-2或一http://picflow.koolearn.com/upload/papers/20140824/20140824013519838382.png

    D.不存在

    开始考试点击查看答案
  • 4已知 http://picflow.koolearn.com/upload/papers/20140823/20140823234815170995.png既有极大值又有极小值,则 http://picflow.koolearn.com/upload/papers/20140823/20140823234815185283.png的取值范围为(    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823234815217588.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823234815232514.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823234815263475.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823234815279627.png

    开始考试点击查看答案
  • 5函数f(x)=x 3-ax 2-bx+a 2,在x=1时有极值10,则a、b的值为(   )

    A.a=3,b=-3或a=―4,b=11;

    B.a=-4,b=1或a=-4,b="11" ;

    C.a=-1,b="5" ;

    D.以上都不对

    开始考试点击查看答案
  • 6函数 http://picflow.koolearn.com/upload/papers/20140823/20140823222250420651.png在闭区间 [– 3,0] 上的最大值、最小值分别是(   )

    A.1,? 1

    B.1,? 17

    C.3,? 17

    D.9,? 197

    开始考试点击查看答案
  • 7http://picflow.koolearn.com/upload/papers/20140824/20140824012442000758.png的极大值点是(    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824012442031338.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824012442047206.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824012442062291.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824012442078287.png

    开始考试点击查看答案
  • 8已知常数 http://picflow.koolearn.com/upload/papers/20140824/20140824021050911287.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824021050927308.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824021050942252.png都是实数, http://picflow.koolearn.com/upload/papers/20140824/20140824021050958959.png的导函数为 http://picflow.koolearn.com/upload/papers/20140824/20140824021050974509.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824021051098598.png的解集为 http://picflow.koolearn.com/upload/papers/20140824/20140824021051114756.png,若 http://picflow.koolearn.com/upload/papers/20140824/20140824021051192464.png的极小值等于 http://picflow.koolearn.com/upload/papers/20140824/20140824021051208340.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824021050911287.png的值是(      )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824021051239518.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824021051254331.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824021051270297.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824021051286265.png

    开始考试点击查看答案
  • 9设直线 http://picflow.koolearn.com/upload/papers/20140823/20140823233947186357.png与函数 http://picflow.koolearn.com/upload/papers/20140823/20140823233947202558.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823233947217561.png的图像分别交于点 http://picflow.koolearn.com/upload/papers/20140823/20140823233947233550.png,则当 http://picflow.koolearn.com/upload/papers/20140823/20140823233947264543.png达到最小值时 http://picflow.koolearn.com/upload/papers/20140823/20140823233947280267.png的值为(  )           

    A.1

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823233947295338.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823233947326413.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823233947342438.png

    开始考试点击查看答案
  • 10函数 http://picflow.koolearn.com/upload/papers/20140823/201408232215401251006.png有(   )

    A.极大值http://picflow.koolearn.com/upload/papers/20140823/20140823221540156259.png,极小值http://picflow.koolearn.com/upload/papers/20140823/20140823221540172363.png

    B.极大值http://picflow.koolearn.com/upload/papers/20140823/20140823221540156259.png,极小值http://picflow.koolearn.com/upload/papers/20140823/20140823221540218243.png

    C.极大值http://picflow.koolearn.com/upload/papers/20140823/20140823221540156259.png,无极小值

    D.极小值http://picflow.koolearn.com/upload/papers/20140823/20140823221540172363.png,无极大值

    开始考试点击查看答案
返回顶部