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Which Anime opening song is your favorite?
(a) "Silhouette" Naruto Shippuden
(b) "Sign" Naruto Shippuden
(c) "Blue Bird" Naruto Shippuden
(d) "One Day" One piece
(e) "The Day" My Hero Academia
(f) "Guren No Yumiya" Attack on Titan
(g) "Cha-La Head-Cha-La" Dragon ball Z
In the expression , the number is called the ____________, and the number 4 is called the ____________.
For a function , the set of all possible inputs is called the _____ of , and the set of all possible outputs is called the ______ of .
, the number 
is called the ____________, and the number 4 is called the ____________.
, the set of all possible inputs is called the _____ of 