D 為“同形 函數(shù).且它們與不為“同形 函數(shù) 查看更多

 

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若兩個(gè)函數(shù)的圖象經(jīng)過若干次平移后能夠重合,則稱這兩個(gè)函數(shù)為“同形”函數(shù),給出下列三個(gè)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(gè)函數(shù)的圖像經(jīng)過若干次平移后能夠重合,則稱這兩個(gè)函數(shù)為“同形”函數(shù).給出下列三個(gè)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(gè)函數(shù)的圖象經(jīng)過若干次平移后能夠重合,則稱這兩個(gè)函數(shù)為“同形”函數(shù).給出下列三個(gè)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(gè)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(gè)函數(shù)為“同形”函數(shù).給

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