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        1. B 為“同形 函數(shù).且它們與不為“同形 函數(shù) 查看更多

           

          題目列表(包括答案和解析)

          若兩個函數(shù)的圖象經(jīng)過若干次平移后能夠重合,則稱這兩個函數(shù)為“同形”函數(shù),給出下列三個函數(shù):f1(x)=3x,f2(x)=4×3x,f3(x)=log85•3x•log52,則(  )
          A、f1(x),f2(x),f3(x)為“同形”函數(shù)B、f1(x),f2(x)為“同形”函數(shù),且它們與f3(x)不為“同形”函數(shù)C、f1(x),f3(x)為“同形”函數(shù),且它們與f2(x)不為“同形”函數(shù)D、f2(x),f3(x)為“同形”函數(shù),且它們與f1(x)不為“同形”函數(shù)

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          若兩個函數(shù)的圖像經(jīng)過若干次平移后能夠重合,則稱這兩個函數(shù)為“同形”函數(shù).給出下列三個函數(shù):fl(x)=sinx+cosx,f2(x)=sinx+,f3(x)=sinx,其中x∈R,則    (    )

          A.f1(x),f2(x),f3(x)為“同形”函數(shù):

          B.f1(x),f2(x)為“同形”函數(shù),且它們與f3(x)不為“同形”函數(shù)

          C.f1(x),f3(x)為“同形”函數(shù),且它們與f2(x)不為“同形”函數(shù)

          D.f2(x),f3(x)為“同形”函數(shù),且它們與f1(x)不為“同形”函數(shù)

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          若兩個函數(shù)的圖象經(jīng)過若干次平移后能夠重合,則稱這兩個函數(shù)為“同形”函數(shù).給出下列三個函數(shù):下列說法正確的是(     )

          A. 為“同形”函數(shù)

          B. 為“同形”函數(shù),且它們與不為“同形”函數(shù)

          C. 為“同形”函數(shù),且它們與不為“同形”函數(shù)

          D. 為“同形”函數(shù),且它們與不為“同形”函數(shù)

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          若兩個函數(shù)的圖象僅經(jīng)過若干次平移后能夠重合,則稱這兩個函數(shù)為“同形”函數(shù).給

          出下列三個函數(shù):,,

          A.兩兩為“同形”函數(shù)

          B.為“同形”函數(shù),且它們與不為“同形”函數(shù)

          C.為“同形”函數(shù),且它們與不為“同形”函數(shù)

          D.兩兩不為“同形”函數(shù)

           

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          若兩個函數(shù)的圖像僅經(jīng)過若干次平移能夠重合,則稱這兩個函數(shù)為“同形”函數(shù),給出下列三個函數(shù):, 則( ).

          A.兩兩為“同形”函數(shù); 
          B.兩兩不為“同形”函數(shù);  
          C.為“同形”函數(shù),且它們與不為“同形”函數(shù); 
          D.為“同形”函數(shù),且它們與不為“同形”函數(shù). 

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