Question: ( 4 points ) Bonus question Let be an alphabet, and f ( A , B ) = { w i n * | t

(4 points) Bonus question Let be an alphabet, and
f(A,B)={win*|there exists x,y,z,tin*.w=xy=zt and xin A and zinB}.
Show that regular languages are closed under f.
(4 points) Bonus question Let be an alphabet, and f(A,B)={win*|there exists

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