已知函數(shù)的圖象經(jīng)過點.則的反函數(shù)的圖象一定過點 查看更多

 

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已知函數(shù)f(x)=ax+b的圖象經(jīng)過點(-2,
134
),其反函數(shù)y=f-1(x)的圖象經(jīng)過點(5,1),則f(x)的解析式是
 

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15、已知函數(shù)y=f(x)存在反函數(shù)y=f-1(x),若函數(shù)y=f(1+x)的圖象經(jīng)過點(3,1),則函數(shù)y=f-1(x)的圖象必經(jīng)過點
(1,4)

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8、已知函數(shù)y=f(x)存在反函數(shù)y=f-1(x),若函數(shù)y=f(x-1)的圖象經(jīng)過點(3,1),則f-1(1)的值是
2

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11、已知函數(shù)f(x)的圖象經(jīng)過點(0,1),則函數(shù)f-1(x)的圖象一定經(jīng)過點
(1,0)
;函數(shù)f(x+4)的反函數(shù)的圖象一定經(jīng)過點
(1,-4)

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已知函數(shù)y=f(x)=ax+k經(jīng)過點(0,4),其反函數(shù)y=f-1(x)的圖象經(jīng)過點(7,1),則f(x)在定義域上是(  )
A、奇函數(shù)B、偶函數(shù)C、增函數(shù)D、減函數(shù)

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