(1.2) Let f: X→Y be a function and let A, B C X. Prove that f(AUB) = f(A) U f(B).
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.2: Exponential Functions
Problem 58E
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please do (1.2)
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