document.write( "Question 214031: if f(a+b) = f(a) + f(b) for all real numbers. Show how f(2a) = 2*f(a) and show how f(0) = 0. \n" ); document.write( "

Algebra.Com's Answer #188417 by Doni305(1) $\"\"$ $\"About$

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The qoutient of a number and 20 is four tenths. What is the number? \n" ); document.write( "

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