Direct Image of Union of Sets Proof: f(A U B) = f(A) U f(B)
Please Subscribe here, thank you!!! https://goo.gl/JQ8Nys Direct Image of Union of Sets Proof: f(A U B) = f(A) U f(B). If a function f maps X to Y and A and B are subsets of Y, we prove that f(A U B) = f(A) U f(B).
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