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已知a∈R,则函数f(x)=1+acosax的图象不可能是

发布时间:2021-08-04

A.http://picflow.koolearn.com/upload/papers/g02/20111109/201111090941094211875.gif

B.http://picflow.koolearn.com/upload/papers/g02/20111109/201111090941094371905.gif

C.http://picflow.koolearn.com/upload/papers/g02/20111109/201111090941095151873.gif

D.http://picflow.koolearn.com/upload/papers/g02/20111109/201111090941095781626.gif

试卷相关题目

  • 1若函数f(x)的反函数为f-1(x),则函数f(x-1)与f-1(x)的图象可能是

    A.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171000256251507.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171000256401477.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171000256401514.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171000256711494.gif

    开始考试点击查看答案
  • 2设D是由http://picflow.koolearn.com/upload/papers/g02/20111020/201110201346260461152.gif所确定的平面区域,记D被夹在直线x=-1和x=t(t∈[-1,1])间的部分的面积为S,则函数S=f(t)的大致图象为

    A.http://picflow.koolearn.com/upload/papers/g02/20111020/201110201346260461427.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20111020/201110201346260621432.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111020/201110201346260931432.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111020/201110201346261091475.gif

    开始考试点击查看答案
  • 3某同学从家里到学校,为了不迟到,先跑,跑累了再走余下的路,设在途中花的时间为t,离开家里的路程为d,下面图形中,能反映该同学的行程的是

    A.http://picflow.koolearn.com/upload/papers/g02/20120217/201202170949220161380.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20120217/201202170949220241332.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20120217/201202170949220301342.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20120217/201202170949220431349.gif

    开始考试点击查看答案
  • 4函数y=f(x)的图象与直线x=a的交点个数

    A.至少有一个

    B.至多有一个

    C.必有一个

    D.有一个或两个

    开始考试点击查看答案
  • 5函数f(x)=ax3+bx2+cx+d的图象如图所示,那么http://picflow.koolearn.com/upload/papers/g02/20120816/201208162101472724023.png

    A.a<0,b>0,c>0

    B.a>0,b>0,c<0

    C.a<0,b>0,c<0

    D.a>0,b<0,c>0

    开始考试点击查看答案
  • 6函数y=x+sin|x|,x∈[-π,π]的大致图象是

    A.http://picflow.koolearn.com/upload/papers/g02/20111202/201112021656151561614.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20111202/201112021656151561576.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111202/201112021656151711613.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111202/201112021656152031648.gif

    开始考试点击查看答案
  • 7设a<b,函数y=(a-x)(x-b)2的图象可能是

    A.http://picflow.koolearn.com/upload/papers/g02/20111015/201110151144565621325.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20111015/201110151144565931319.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111015/201110151144565931332.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111015/201110151144565931315.gif

    开始考试点击查看答案
  • 8设x∈R,则函数f(x)=(1-|x|)(1+x)的图像在x轴上方的充要条件是

    A.-1<x<1

    B.x<-1或x>1

    C.x<1

    D.-1<x<1或x<-1

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  • 9如图,在平面直角坐标系xOy中,A(1,0),B(1,1),C(0,1),映射f将xOy平面上的点P(x,y)对应到另一个平面直角坐标系uO"v上的点P"(2xy,x2﹣y2),则当点P沿着折线A﹣B﹣C运动时,在映射f的作用下,动点P"的轨迹是  http://picflow.koolearn.com/upload/papers/g02/20120821/201208210903173853714.png

    A.http://picflow.koolearn.com/upload/papers/g02/20120821/201208210903174334733.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120821/201208210903174804762.png

    C.http://picflow.koolearn.com/upload/papers/g02/20120821/201208210903175314431.png

    D.http://picflow.koolearn.com/upload/papers/g02/20120821/201208210903175814732.png

    开始考试点击查看答案
  • 10某人沿周长为l的圆形花坛作匀速漫步(如图),从点O出发,顺时针方向行走一周,设此人行走时所在的位置为点P,O、P两点连线的距离y与点P走过的路程x的函数关系所表示的图象大致是http://picflow.koolearn.com/upload/papers/g02/20120407/201204070947241041636.gif

    A.http://picflow.koolearn.com/upload/papers/g02/20120407/201204070947241541430.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20120407/201204070947241821435.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20120407/201204070947242101492.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20120407/201204070947242371527.gif

    开始考试点击查看答案
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