12.設(shè)函數(shù)f (x)=的反函數(shù)為f-1(x).且f-1()=a.則f (a+7)=( )(A)-2 (B)-1 (C)1 (D)2 第Ⅱ卷 查看更多

 

題目列表(包括答案和解析)

設(shè)函數(shù)f(x)=(0≤x<1)的反函數(shù)為f-1(x),則

[  ]
A.

f-1(x)在其定義域上是增函數(shù)且最大值為1

B.

f-1(x)在其定義域上是減函數(shù)且最小值為0

C.

f-1(x)在其定義域上是減函數(shù)且最大值為1

D.

f-1(x)在其定義域上是增函數(shù)且最小值為0

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設(shè)函數(shù)f(x)=2x的反函數(shù)為f–1(x),且ff-1(m3-3m)]=m,則m的值為

[  ]

A.±2

B.0

C.0或±2

D.2

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設(shè)函數(shù)f(x)=x5-5x4+10x3-10x2+5x-1,則f(x)的反函數(shù)f-1(x)為

[  ]

A.

B.

C.

D.

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設(shè)函數(shù)f(x)=(0≤x<1)的反函數(shù)為f-1(x),則

[  ]

A.f-1(x)在其定義域上是增函數(shù)且最大值為1

B.f-1(x)在其定義域上是減函數(shù)且最小值為0

C.f-1(x)在其定義域上是減函數(shù)且最大值為1

D.f-1(x)在其定義域上是增函數(shù)且最小值為0

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設(shè)函數(shù)f(x)=2+1(x∈R)的反函數(shù)為f-1(x),則函數(shù)yf-1(x)的圖象是

[  ]

A.

B.

C.

D.

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