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Posted: **Tue Sep 07, 2021 7:49 am**

: Let F Xy Be A Function Assume A And B Are Subsets Of X And V And W Are Subsets Of Y Prove The Following A F Aub 1 (17.23 KiB) Viewed 61 times

Let f : XY be a function. Assume A and B are subsets of X and V and W are subsets of Y. Prove the following: (a) f(AUB) = f(A) u f(B). (b) f(A) - f(B) = f(A - B). (c) 8-!(VUW)= |-(V)uf-(w).