- #1
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Homework Statement
##f(xy)=f(x)+f(y)## and ##f(16)=16##, ##f(2)=?##
Homework Equations
function properities
The Attempt at a Solution
##f(x)=y## so
##f(xf(x))=f(x)+f(f(x))##
then I put
##xf(x)=16##
and
##f(x)+f(f(x))=16##
but this not much make sense,
I am really stucked