Math Problem Statement

Tìm tất cả các hàm số f : R → R thoả mãn: a) f(x+y) = f(x)+f(y) ∀x,y ∈ R b) f(x) ≥ 0 ∀x>0

Solution

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Math Problem Analysis

Mathematical Concepts

Functional equations
Cauchy's functional equation
Linear functions

Formulas

-

Theorems

Cauchy's functional equation solutions

Suitable Grade Level

Advanced high school and college