若點(diǎn)A關(guān)于y軸的對(duì)稱點(diǎn)是B.則λ,μ,γ的值依次為:A.1.-4.9 B.2.-5.-8 C.-3.-5.8 D.2.5.8 查看更多

 

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有下面四個(gè)命題:①函數(shù)y=f1(x)的反函數(shù)是y=f(x);②若點(diǎn)Ma,b)在y=f(x)上,則M′(b,a)一定在其反函數(shù)y=f1(x)的圖象上;③關(guān)于直線y=x成軸對(duì)稱的兩個(gè)圖形一定是互為反函數(shù)的一對(duì)函數(shù)的圖象;④因?yàn)?/span>y=f(x)y=f1(x)的圖象關(guān)于y=x對(duì)稱,所以y=f(x)y=f1(x)的圖象不能相交,其中錯(cuò)誤的有(   

A.1個(gè)        B.2個(gè)        C.3個(gè)          D.4個(gè)

 

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若點(diǎn)A(x2+4,4-y,1+2z)關(guān)于y軸的對(duì)稱點(diǎn)是B(-4x,9,7-z),則x,y,z的值依次為        (    )

A.1,-4,9      B.2,-5,-8    C.2,5,8      D.-2,-5,8

 

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若點(diǎn)A(x2+4,4-y,1+2z)關(guān)于y軸的對(duì)稱點(diǎn)是B(-4x,9,7-z),則x,y,z的值依次為       (   )
A.1,-4,9B.2,-5,-8C.2,5,8D.-2,-5,8

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若點(diǎn)A(x2+4,4-y,1+2z)關(guān)于y軸的對(duì)稱點(diǎn)是B(-4x,9,7-z),則x,y,z的值依次為       (   )

A.1,-4,9B.2,-5,-8C.2,5,8D.-2,-5,8

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