f(x+y)=f(x)+f(y)

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.2: Linear Functions And Applications
Problem 33PS
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Find all functions f:Q—>R for which f(x+y)=f(x)+f(y),∀x, y∈ Q​

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