If f (a. b) = f(a) + f(b) and f (2) = 3, then f (32) equals

Solution:

from;  f(2)=3  
        f(2n)   nf(2)  
        (3)(n)
therefore :
f(32)=f(2.16)
f(32)=16f(2)
f(32)=(16)(3)

f(32)=48  final answer

for more details, please see the solution attached.

There are 48 blue cards total