问题
填空题
已知函数f(x)=
|
答案
∵函数f(x)=
,2x,(x≥4) f(x+2) ,(x<4)
∴f(log
3)=f(log1 2
3+2)1 2
=f(log
3+4)1 2
=f(log
3+6)1 2
=2log
3+61 2
=
×261 3
=
.64 3
故答案为:
.64 3
已知函数f(x)=
|
∵函数f(x)=
,2x,(x≥4) f(x+2) ,(x<4)
∴f(log
3)=f(log1 2
3+2)1 2
=f(log
3+4)1 2
=f(log
3+6)1 2
=2log
3+61 2
=
×261 3
=
.64 3
故答案为:
.64 3