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若函数 http://picflow.koolearn.com/upload/2013-01/02/da9b90b0-4491-44e0-80cc-b73bbc471f4f/paper.files/image030.png

发布时间:2021-08-04

A.http://picflow.koolearn.com/upload/2013-01/02/da9b90b0-4491-44e0-80cc-b73bbc471f4f/paper.files/image031.png

B.http://picflow.koolearn.com/upload/2013-01/02/da9b90b0-4491-44e0-80cc-b73bbc471f4f/paper.files/image032.png

C.http://picflow.koolearn.com/upload/2013-01/02/da9b90b0-4491-44e0-80cc-b73bbc471f4f/paper.files/image033.png

D.http://picflow.koolearn.com/upload/2013-01/02/da9b90b0-4491-44e0-80cc-b73bbc471f4f/paper.files/image034.png

试卷相关题目

  • 1下列各组函数中,表示同一函数的是(    )

    A.http://picflow.koolearn.com/upload/2013-07/04/b5bd7eec-f91f-468b-81ee-2347a7eeaf1a/paper.files/image006.png

    B.http://picflow.koolearn.com/upload/2013-07/04/b5bd7eec-f91f-468b-81ee-2347a7eeaf1a/paper.files/image007.png

    C.http://picflow.koolearn.com/upload/2013-07/04/b5bd7eec-f91f-468b-81ee-2347a7eeaf1a/paper.files/image008.png

    D.http://picflow.koolearn.com/upload/2013-07/04/b5bd7eec-f91f-468b-81ee-2347a7eeaf1a/paper.files/image009.png

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  • 2定义在 http://picflow.koolearn.com/upload/2013-11/26/6c0ee88f-e6b3-4d21-8e94-e1d282207aa8/paper.files/image084.png上的函数 http://picflow.koolearn.com/upload/2013-11/26/6c0ee88f-e6b3-4d21-8e94-e1d282207aa8/paper.files/image085.png满足 http://picflow.koolearn.com/upload/2013-11/26/6c0ee88f-e6b3-4d21-8e94-e1d282207aa8/paper.files/image086.pnghttp://picflow.koolearn.com/upload/2013-11/26/6c0ee88f-e6b3-4d21-8e94-e1d282207aa8/paper.files/image087.png), http://picflow.koolearn.com/upload/2013-11/26/6c0ee88f-e6b3-4d21-8e94-e1d282207aa8/paper.files/image088.png,则 http://picflow.koolearn.com/upload/2013-11/26/6c0ee88f-e6b3-4d21-8e94-e1d282207aa8/paper.files/image089.png等于(   )

    A.2

    B.3

    C.6

    D.9

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  • 3下列四组函数中,其函数图象相同的是 (    )

    A.http://picflow.koolearn.com/upload/2014-01/06/6800d770-c91a-4d27-9908-f8d01408ff5b/paper.files/image014.png

    B.http://picflow.koolearn.com/upload/2014-01/06/6800d770-c91a-4d27-9908-f8d01408ff5b/paper.files/image015.png

    C.http://picflow.koolearn.com/upload/2014-01/06/6800d770-c91a-4d27-9908-f8d01408ff5b/paper.files/image016.png

    D.http://picflow.koolearn.com/upload/2014-01/06/6800d770-c91a-4d27-9908-f8d01408ff5b/paper.files/image017.png

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  • 4下面各组函数中是同一函数的是(   )

    A.http://picflow.koolearn.com/upload/2013-02/22/90790687-6214-48fd-9458-651080cf02fe/paper.files/image018.png

    B.http://picflow.koolearn.com/upload/2013-02/22/90790687-6214-48fd-9458-651080cf02fe/paper.files/image019.pnghttp://picflow.koolearn.com/upload/2013-02/22/90790687-6214-48fd-9458-651080cf02fe/paper.files/image020.png

    C.http://picflow.koolearn.com/upload/2013-02/22/90790687-6214-48fd-9458-651080cf02fe/paper.files/image021.png

    D.http://picflow.koolearn.com/upload/2013-02/22/90790687-6214-48fd-9458-651080cf02fe/paper.files/image022.png

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  • 5下列四组函数是同一函数的个数为 (1) http://picflow.koolearn.com/upload/2012-10/31/371219c5-85f1-4fa5-b6f3-49e29a80dbc6/paper.files/image040.pnghttp://picflow.koolearn.com/upload/2012-10/31/371219c5-85f1-4fa5-b6f3-49e29a80dbc6/paper.files/image041.png;   (2)  http://picflow.koolearn.com/upload/2012-10/31/371219c5-85f1-4fa5-b6f3-49e29a80dbc6/paper.files/image042.pnghttp://picflow.koolearn.com/upload/2012-10/31/371219c5-85f1-4fa5-b6f3-49e29a80dbc6/paper.files/image043.png (3) http://picflow.koolearn.com/upload/2012-10/31/371219c5-85f1-4fa5-b6f3-49e29a80dbc6/paper.files/image044.pnghttp://picflow.koolearn.com/upload/2012-10/31/371219c5-85f1-4fa5-b6f3-49e29a80dbc6/paper.files/image045.png;       (4) http://picflow.koolearn.com/upload/2012-10/31/371219c5-85f1-4fa5-b6f3-49e29a80dbc6/paper.files/image046.pnghttp://picflow.koolearn.com/upload/2012-10/31/371219c5-85f1-4fa5-b6f3-49e29a80dbc6/paper.files/image047.png

    A.没有

    B.1

    C.2

    D.3

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  • 6等腰三角形的周长是20,底边长y是一腰的长x的函数,则y等于(  )

    A.20-2x(0

    B.20-2x(0

    C.20-2x(5≤x≤10)

    D.20-2x(5开始考试点击查看答案

  • 7若曲线y= http://picflow.koolearn.com/upload/2013-11/26/1185367c-e792-453e-8545-b6726630f50a/paper.files/image063.png上存在三点A,B,C,使得 http://picflow.koolearn.com/upload/2013-11/26/1185367c-e792-453e-8545-b6726630f50a/paper.files/image064.png,则称曲线有“中位点”,下列曲线 (1)y=cosx,,(2) http://picflow.koolearn.com/upload/2013-11/26/1185367c-e792-453e-8545-b6726630f50a/paper.files/image065.png,(3) http://picflow.koolearn.com/upload/2013-11/26/1185367c-e792-453e-8545-b6726630f50a/paper.files/image066.png,(4) http://picflow.koolearn.com/upload/2013-11/26/1185367c-e792-453e-8545-b6726630f50a/paper.files/image067.png有“中位点”的是(   )

    A.(2)(4)

    B.(1)(3)(4)

    C.(1)(2)(4) C.(2)(3)

    D.(2)(3)(4)

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  • 8函数 http://picflow.koolearn.com/upload/2013-03/05/a9522ffc-0b6c-47ce-a4bc-16d9eb68cfcf/paper.files/image084.png其中P,M为实数集R的两个非空子集,又规定f(P)={y|y=f(x),x∈P},f(M)={y|y=f(x),x∈M}.给出下列四个判断: ①若P∩M= http://picflow.koolearn.com/upload/2013-03/05/a9522ffc-0b6c-47ce-a4bc-16d9eb68cfcf/paper.files/image085.png,则f(P)∩f(M)= http://picflow.koolearn.com/upload/2013-03/05/a9522ffc-0b6c-47ce-a4bc-16d9eb68cfcf/paper.files/image085.png; ②若P∩M≠ http://picflow.koolearn.com/upload/2013-03/05/a9522ffc-0b6c-47ce-a4bc-16d9eb68cfcf/paper.files/image085.png,则f(P)∩f(M) ≠ http://picflow.koolearn.com/upload/2013-03/05/a9522ffc-0b6c-47ce-a4bc-16d9eb68cfcf/paper.files/image085.png; ③若P∪M=R,则f(P)∪f(M)=R; ④若P∪M≠R,则f(P)∪f(M)≠R. 其中正确判断有(     )

    A.0个

    B.1个

    C.2个

    D.4个

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  • 9下列各组函数是同一函数的是(   )

    A.http://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image015.pnghttp://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image016.png

    B.http://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image017.pnghttp://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image018.png

    C.http://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image019.pnghttp://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image020.png

    D.http://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image021.pnghttp://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image022.png

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  • 10下列四个函数中,与y=x表示同一函数的是(   )

    A.y=(http://picflow.koolearn.com/upload/2012-11/08/fc66564e-b8f3-4146-aec0-ce3c2fda1f4a/paper.files/image004.png)2

    B.y=http://picflow.koolearn.com/upload/2012-11/08/fc66564e-b8f3-4146-aec0-ce3c2fda1f4a/paper.files/image005.png

    C.y=http://picflow.koolearn.com/upload/2012-11/08/fc66564e-b8f3-4146-aec0-ce3c2fda1f4a/paper.files/image006.png

    D.y=http://picflow.koolearn.com/upload/2012-11/08/fc66564e-b8f3-4146-aec0-ce3c2fda1f4a/paper.files/image007.png

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