1.函數(shù)y=的反函數(shù)是 A.y=1+2-x (x∈R) B.y=1-2-x(x∈R) C.y=1+2x (x∈R) D.y=1-2x (x∈R) 查看更多

 

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函數(shù)y=+2,(x≥1)的反函數(shù)是

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A.y=(x-2)2+1

B.y=(x-2)2+1,(x≤2)

C.y=(x-2)2+1,(x≥2)

D.y=(x-2)2-1,(x≥2)

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函數(shù)y1(x1)的反函數(shù)是(    )?

Ay(x1)21,xR?

By(x1)21,xR?

Cy(x1)21,x1?

Dy(x1)21x1?

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函數(shù)的反函數(shù)是(   ).

Ay = arc cos x           By = πarccos x

Cy = πarccos x  0≤x≤1     Dy = 2πarccos x  0≤x≤1

 

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函數(shù)y1(x1)的反函數(shù)是(    )?

Ay(x1)21,xR?

By(x1)21xR?

Cy(x1)21,x1?

Dy(x1)21,x1?

查看答案和解析>>

函數(shù)的反函數(shù)是(   ).

Ay = arc cos x           By = πarccos x

Cy = πarccos x  0≤x≤1     Dy = 2πarccos x  0≤x≤1

 

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