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    已知函數(shù)的反函數(shù)的圖象經(jīng)過(guò)點(diǎn)(4.2).則的值是 . 查看更多

     

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

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    已知函數(shù)f(x)的圖象經(jīng)過(guò)點(diǎn)(0,1),則函數(shù)f-1(x)的圖象一定經(jīng)過(guò)點(diǎn)______;函數(shù)f(x+4)的反函數(shù)的圖象一定經(jīng)過(guò)點(diǎn)______.

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    已知函數(shù)f(x)的圖象經(jīng)過(guò)點(diǎn)(0,1),則函數(shù)f-1(x)的圖象一定經(jīng)過(guò)點(diǎn)    ;函數(shù)f(x+4)的反函數(shù)的圖象一定經(jīng)過(guò)點(diǎn)   

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    已知函數(shù)f(x)的圖象經(jīng)過(guò)點(diǎn)(0,1),則函數(shù)f-1(x)的圖象一定經(jīng)過(guò)點(diǎn)________;函數(shù)f(x+4)的反函數(shù)的圖象一定經(jīng)過(guò)點(diǎn)________.

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    已知函數(shù)f (x) = ax+k 的圖象經(jīng)過(guò)( 1,7 )點(diǎn),又其反函數(shù) 的圖象經(jīng)過(guò) ( 4,0)點(diǎn),則函數(shù)f (x)的表達(dá)式是

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