document.write( "Question 968572: if f(x+y)=f(x)+f(y) and f(1)=5 then f(7)=? \n" ); document.write( "

Algebra.Com's Answer #591854 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"f%282%29=f%281%2B1%29=f%281%29%2Bf%281%29=5%2B5=10\"$
\n" ); document.write( " $\"f%284%29=f%282%2B2%29=f%282%29%2Bf%282%29=10%2B10=20\"$
\n" ); document.write( " $\"f%286%29=f%284%2B2%29=f%284%29%2Bf%282%29=20%2B10=30\"$
\n" ); document.write( " $\"f%287%29=f%286%2B1%29=f%286%29%2Bf%281%29=30%2B5=35\"$ \n" ); document.write( "

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