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函数f(x)=x 3+bx 2+cx+d的大致图象如下图所示,则 http://picflow.koolearn.com/upload/papers/20140823/20140823221850102381.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823221850133374.png 等于(  )

发布时间:2021-08-04

A.http://picflow.koolearn.com/upload/papers/20140823/20140823221850149397.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823221850164391.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823221850180422.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823221850211366.png http://picflow.koolearn.com/upload/papers/20140823/201408232218502271264.png

试卷相关题目

  • 1若直角坐标平面内的两点 http://picflow.koolearn.com/upload/papers/20140823/20140823233446246290.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823233446277333.png同时满足下列条件: ① http://picflow.koolearn.com/upload/papers/20140823/20140823233446246290.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823233446277333.png都在函数 http://picflow.koolearn.com/upload/papers/20140823/20140823233446340566.png的图象上; ② http://picflow.koolearn.com/upload/papers/20140823/20140823233446246290.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823233446277333.png关于原点对称.则称点对 http://picflow.koolearn.com/upload/papers/20140823/20140823233446402457.png是函数 http://picflow.koolearn.com/upload/papers/20140823/20140823233446340566.png的一对“友好点对” (注:点对 http://picflow.koolearn.com/upload/papers/20140823/20140823233446402457.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823233446480463.png看作同一对“友好点对). 已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408232334464961334.png,则此函数的“友好点对”有(    )

    A.0对

    B.1对

    C.2对

    D.3对

    开始考试点击查看答案
  • 2若直线y=2a与函数y=|a x-1|(a>0且a≠1)的图象有两个公共点,则实数a的取值范围是( )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823232905900429.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823232905931509.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823232905963535.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823232905978613.png

    开始考试点击查看答案
  • 3函数 http://picflow.koolearn.com/upload/papers/20140823/20140823224035559561.png的最小正周期为 http://picflow.koolearn.com/upload/papers/20140823/20140823224035575291.png,且 http://picflow.koolearn.com/upload/papers/20140823/20140823224035855596.png.当 http://picflow.koolearn.com/upload/papers/20140823/20140823224035871494.png时, http://picflow.koolearn.com/upload/papers/20140823/20140823224035902549.png,那么在区间 http://picflow.koolearn.com/upload/papers/20140823/20140823224035918423.png上,函数 http://picflow.koolearn.com/upload/papers/20140823/20140823224035559561.png的图像与函数 http://picflow.koolearn.com/upload/papers/20140823/20140823224035965638.png的图像的交点个数是

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823224036089306.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823224036167254.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823224036183290.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823224036245259.png

    开始考试点击查看答案
  • 4右图是 http://picflow.koolearn.com/upload/papers/20140823/201408232150443631885.jpg的图象,则 http://picflow.koolearn.com/upload/papers/20140823/20140823215044379891.jpg的值是(   )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823215044410579.jpg

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823215044425576.jpg

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823215044441652.jpg

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823215044457635.jpg http://picflow.koolearn.com/upload/papers/20140823/201408232150444724283.jpg

    开始考试点击查看答案
  • 5在同一坐标系下,函数 http://picflow.koolearn.com/upload/papers/20140823/20140823235759968493.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823235759999596.png的图象可能是(   ) http://picflow.koolearn.com/upload/papers/20140823/201408232358000932121.png  http://picflow.koolearn.com/upload/papers/20140823/201408232358001242309.png   http://picflow.koolearn.com/upload/papers/20140823/201408232358001402198.png   http://picflow.koolearn.com/upload/papers/20140823/201408232358003582501.png

    A.       

    B.         

    C.        

    开始考试点击查看答案
  • 6函数 http://picflow.koolearn.com/upload/papers/20140823/20140823222721518679.png的图象是(   ) http://picflow.koolearn.com/upload/papers/20140823/201408232227215331821.pnghttp://picflow.koolearn.com/upload/papers/20140823/201408232227215491738.pnghttp://picflow.koolearn.com/upload/papers/20140823/201408232227215641776.pnghttp://picflow.koolearn.com/upload/papers/20140823/201408232227215961843.png

    A.

    B.

    C.

    开始考试点击查看答案
  • 7设定义在实数集上的函数f(x)对任意x∈R均有f(x)+f(2-x)=1,则这个函数的图象必关于(   )

    A.直线x=1对称

    B.点(1,1)对称

    C.点(1,http://picflow.koolearn.com/upload/papers/20140823/20140823230804841338.png)对称

    D.点(2,1)对称

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  • 8已知奇函数f(x)满足f(x+1)=f(x-l),给出以下命题:①函数f(x)是周期为2的周期函数;②函数f(x)的图象关于直线x=1对称;③函数f(x)的图象关于点(k,0)(k∈Z)对称;④若函数f(x)是(0,1)上的增函数,则f(x)是(3,5)上的增函数,其中正确命题的番号是( )

    A.①③

    B.②③

    C.①③④

    D.①②④

    开始考试点击查看答案
  • 9为了得到函数 http://picflow.koolearn.com/upload/papers/20140823/20140823225924564500.png的图象,只需把函数 http://picflow.koolearn.com/upload/papers/20140823/20140823225924580460.png的图象(   )

    A.向上平移一个单位

    B.向下平移一个单位

    C.向左平移一个单位

    D.向右平移一个单位

    开始考试点击查看答案
  • 10函数 http://picflow.koolearn.com/upload/papers/20140823/20140823215655706461.png的定义域为区间 http://picflow.koolearn.com/upload/papers/20140823/20140823215655722484.png,导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823215655737496.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823215655722484.png内的图象如右图所示,则函数 http://picflow.koolearn.com/upload/papers/20140823/20140823215655706461.png在开区间 http://picflow.koolearn.com/upload/papers/20140823/20140823215655722484.png极值点个数为(  ) http://picflow.koolearn.com/upload/papers/20140823/201408232156558151572.png

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823215655831212.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823215655862298.png

    C.3个

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823215655878254.png

    开始考试点击查看答案
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