问题
填空题
已知函数f(x)满足:f(0)=1,f(x+1)=
|
答案
∵f(x+1)=
,f(0)=1f(x)+ 3 1-
f(x)3
∴f(1)=
=f(0)+ 3 1-
f(0)3
=-2-1+ 3 1- 3 3
f(2)=
=f(1)+ 3 1-
f(1)3
=-2+-2-
+3 3 1-
(-2-3
)3 3
f(3)=
=1f(2)+ 3 1-
f(2)3
所以f(x)的值是以3为周期的周期函数
所以f(2010)=f(670×3)=f(0)=1
故答案为:1