设函数f(x)满足f(x)=1+f(1/2)•log2x,则f(2)=_.

问题描述:

设函数f(x)满足f(x)=1+f(

1
2
)•log2x,则f(2)=______.

因为f(x)=1+f(

1
2
)•log2x,
所以f(
1
2
)=1+f(
1
2
)•log2
1
2

f(
1
2
)=
1
2

f(x)=1+
1
2
•log2x

f(2)=1+
1
2
•log22
=
3
2

故答案为:
3
2