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下列各组函数中,表示同一函数的是(   )

发布时间:2021-08-04

A.http://picflow.koolearn.com/upload/2015-03/06/e7d33ffa-6bed-4b16-b42d-711dce645d2b/paper.files/image001.png

B.http://picflow.koolearn.com/upload/2015-03/06/e7d33ffa-6bed-4b16-b42d-711dce645d2b/paper.files/image002.png

C.http://picflow.koolearn.com/upload/2015-03/06/e7d33ffa-6bed-4b16-b42d-711dce645d2b/paper.files/image003.png

D.http://picflow.koolearn.com/upload/2015-03/06/e7d33ffa-6bed-4b16-b42d-711dce645d2b/paper.files/image004.png

试卷相关题目

  • 1设集合 http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image001.png,集合 http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image002.png,下列对应关系中是从集合 A到集合 B的映射的是(    )

    A.http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image003.pnghttp://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image004.png

    B.http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image003.pnghttp://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image005.png

    C.http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image003.pnghttp://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image006.png

    D.http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image003.pnghttp://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image007.png

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  • 2已知集合 http://picflow.koolearn.com/upload/2010-10/18/55f751af-bca5-4a33-aa65-d54fe1361dc7/paper.files/image008.gif下列关系中,不能看作从A到B的映射的是(    )

    A.http://picflow.koolearn.com/upload/2010-10/18/55f751af-bca5-4a33-aa65-d54fe1361dc7/paper.files/image009.gif

    B.http://picflow.koolearn.com/upload/2010-10/18/55f751af-bca5-4a33-aa65-d54fe1361dc7/paper.files/image010.gif

    C.http://picflow.koolearn.com/upload/2010-10/18/55f751af-bca5-4a33-aa65-d54fe1361dc7/paper.files/image011.gif

    D.http://picflow.koolearn.com/upload/2010-10/18/55f751af-bca5-4a33-aa65-d54fe1361dc7/paper.files/image012.gif

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  • 3在映射 http://picflow.koolearn.com/upload/2010-12/07/dda1263e-92e2-48ce-b8e6-50a318e76509/paper.files/image012.gif,且 http://picflow.koolearn.com/upload/2010-12/07/dda1263e-92e2-48ce-b8e6-50a318e76509/paper.files/image013.gif,则与A中的元素 http://picflow.koolearn.com/upload/2010-12/07/dda1263e-92e2-48ce-b8e6-50a318e76509/paper.files/image014.gif对应的B中的元素为( )

    A.http://picflow.koolearn.com/upload/2010-12/07/dda1263e-92e2-48ce-b8e6-50a318e76509/paper.files/image015.gif

    B.http://picflow.koolearn.com/upload/2010-12/07/dda1263e-92e2-48ce-b8e6-50a318e76509/paper.files/image016.gif

    C.http://picflow.koolearn.com/upload/2010-12/07/dda1263e-92e2-48ce-b8e6-50a318e76509/paper.files/image017.gif

    D.http://picflow.koolearn.com/upload/2010-12/07/dda1263e-92e2-48ce-b8e6-50a318e76509/paper.files/image018.gif

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  • 4已知在映射 http://picflow.koolearn.com/upload/2013-01/03/19bcb685-4441-40e3-893d-687415dcf98d/paper.files/image005.pnghttp://picflow.koolearn.com/upload/2013-01/03/19bcb685-4441-40e3-893d-687415dcf98d/paper.files/image006.png,且 http://picflow.koolearn.com/upload/2013-01/03/19bcb685-4441-40e3-893d-687415dcf98d/paper.files/image007.png,则与A中的元素 http://picflow.koolearn.com/upload/2013-01/03/19bcb685-4441-40e3-893d-687415dcf98d/paper.files/image008.png对应的B中的元素为(    )

    A.http://picflow.koolearn.com/upload/2013-01/03/19bcb685-4441-40e3-893d-687415dcf98d/paper.files/image009.png

    B.http://picflow.koolearn.com/upload/2013-01/03/19bcb685-4441-40e3-893d-687415dcf98d/paper.files/image010.png

    C.http://picflow.koolearn.com/upload/2013-01/03/19bcb685-4441-40e3-893d-687415dcf98d/paper.files/image011.png

    D.http://picflow.koolearn.com/upload/2013-01/03/19bcb685-4441-40e3-893d-687415dcf98d/paper.files/image012.png

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  • 5http://picflow.koolearn.com/upload/2015-03/06/50ff7ea5-40b2-4101-9dd4-6fa2ace43d06/paper.files/image029.png,则 http://picflow.koolearn.com/upload/2015-03/06/50ff7ea5-40b2-4101-9dd4-6fa2ace43d06/paper.files/image030.pnghttp://picflow.koolearn.com/upload/2015-03/06/50ff7ea5-40b2-4101-9dd4-6fa2ace43d06/paper.files/image031.png(  )

    A.http://picflow.koolearn.com/upload/2015-03/06/50ff7ea5-40b2-4101-9dd4-6fa2ace43d06/paper.files/image032.png

    B.http://picflow.koolearn.com/upload/2015-03/06/50ff7ea5-40b2-4101-9dd4-6fa2ace43d06/paper.files/image033.png

    C.http://picflow.koolearn.com/upload/2015-03/06/50ff7ea5-40b2-4101-9dd4-6fa2ace43d06/paper.files/image034.png

    D.http://picflow.koolearn.com/upload/2015-03/06/50ff7ea5-40b2-4101-9dd4-6fa2ace43d06/paper.files/image035.png

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  • 6集合 http://picflow.koolearn.com/upload/2010-10/21/b18c44a4-ec15-4719-8e8c-b68a08e4b4f8/paper.files/image015.gif,从A到B的映射f A→B满足 http://picflow.koolearn.com/upload/2010-10/21/b18c44a4-ec15-4719-8e8c-b68a08e4b4f8/paper.files/image016.gif,那么这样的映射 http://picflow.koolearn.com/upload/2010-10/21/b18c44a4-ec15-4719-8e8c-b68a08e4b4f8/paper.files/image017.gifA→B的个数有(   )

    A.2个

    B.3个

    C.5个

    D.8个

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  • 7给定映射 http://picflow.koolearn.com/upload/2010-12/14/2ad04c1e-1387-42ce-810a-7302fe42cb79/paper.files/image019.gif在影射 http://picflow.koolearn.com/upload/2010-12/14/2ad04c1e-1387-42ce-810a-7302fe42cb79/paper.files/image020.gif下(3,1)的原象为 (    )

    A.(1, 3)

    B.(3, 1)

    C.(1, 1)

    D.http://picflow.koolearn.com/upload/2010-12/14/2ad04c1e-1387-42ce-810a-7302fe42cb79/paper.files/image021.gif

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  • 8若函数http://picflow.koolearn.com/upload/papers/g02/20101229/201012291025532771413.gif在x=1处连续,则b=

    A.3

    B.1

    C.http://picflow.koolearn.com/upload/papers/g02/20101229/20101229102636417873.gif

    D.-3

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  • 9甲乙二人同时从A地赶往B地,甲先骑自行车到中点改为跑步,而乙则是先跑步到中点改为骑自行车,最后两人同时到达B地,又知甲骑自行车比乙骑自行车的速度快,并且二人骑车速度均比跑步速度快。若某人离开A地的距离S与所用时间t的函数关系可用图象表示,则下列给出的四个函数图象中,甲、乙各人的图象只可能是http://picflow.koolearn.com/upload/papers/g02/20110125/201101251353400663841.gif

    A.甲是图①,乙是图②

    B.甲是图①,乙是图④

    C.甲是图③,乙是图②

    D.甲是图③,乙是图④

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  • 10一水池有2个进水口,1个出水口,进出水速度如图甲、乙所示。某天0点到6点,该水池的蓄水量如图丙所示,(至少打开一个水口) 给出以下3个论断:①0点到3点只进水不出水;②3点到4点不进水只出水;③4点到6点不进水不出水。 则正确论断的个数是http://picflow.koolearn.com/upload/papers/g02/20110415/201104151434311934485.gif

    A.没有

    B.1

    C.2

    D.3

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