摘要:11.若f (x)是偶函数.且当x∈时.f (x) = x-1.则f (x-1) < 0的解集是( ) A.{x |-1 < x < 0} B.{x | x < 0或1< x < 2} C.{x | 0 < x < 2} D.{x | 1 < x < 2} 12设函数存在反函数,且函数的图象过点(1,2),则函数的图象一定过点 A. B. D.(1,1)
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若f (x)是偶函数,且当x∈
时,f
(x) = x-1,则f (x-1) < 0的解集是( )
A.{x |-1 < x < 0} B.{x | x < 0或1< x < 2}
C.{x | 0 < x < 2} D.{x | 1 < x < 2}
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若f (x)是偶函数,且当x∈
时,f (x) = x-1,则f (x-1) < 0的解集是( )
| A.{x |-1 < x < 0} | B.{x | x < 0或1< x < 2} |
| C.{x | 0 < x < 2} | D.{x | 1 < x < 2} |