題目列表(包括答案和解析)
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)
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):f1(x)=sinx+cosx,,f3(x)=sinx,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)
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):f1(x)=sin,f2(x)=sinx+,f3(x)=sinx,則
f1(x),f2(x),f3(x)為“同形”函數(shù)
f1(x),f2(x)為“同形”函數(shù),且它們與f3(x)不為“同形”函數(shù)
f1(x),f3(x)為“同形”函數(shù),且它們與f2(x)不為“同形”函數(shù)
f2(x),f3(x)為“同形”函數(shù),且它們與f1(x)不為“同形”函數(shù)
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):,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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