4.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):... 則 ( ) 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) 查看更多

 

題目列表(包括答案和解析)

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)

查看答案和解析>>

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)

查看答案和解析>>

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

[  ]
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)

查看答案和解析>>

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)

查看答案和解析>>


同步練習(xí)冊(cè)答案