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(本题满分16分)本题共有3个小题,第1小题满分4分,第2小题满分6分,第3小题满分6分. 已知函数 的反函数.定义:若对给定的实数 ,函数 与 互为反函数,则称 满足“ 和性质”;若函数 与 互为反函数,则称 满足“ 积性质”. (1)      判断函数 是否满足“1和性质”,并说明理由; (2)      求所有满足“2和性质”的一次函数; (3)      设函数 对任何 ,满足“ 积性质”.求 的表达式.
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A.
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B.
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C.
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D.
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by tube
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A.
at
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by
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on
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