摘要:22.上的函数f (x)满足:①对任意的x.y∈.都有f (x) + f (y) =; ②当x∈.f (x) > 0. (1)求证f (x)为奇函数, (2)试解不等式:f (x) + f (x-1) .
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(12分)定义在区间(-1,1)上的函数f (x)满足:①对任意的x,y∈(-1,1),都有f (x)
+ f (y) =
; ②当x∈(-1,0),f (x) > 0.
(1)求证f (x)为奇函数;
(2)试解不等式:f (x) + f (x-1)
.
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(12分)定义在区间(-1,1)上的函数f (x)满足:①对任意的x,y∈(-1,1),都有f (x) + f (y) =
; ②当x∈(-1,0),f (x) > 0.
(1)求证f (x)为奇函数;
(2)试解不等式:f (x) + f (x-1)
.
(1)求证f (x)为奇函数;
(2)试解不等式:f (x) + f (x-1)