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# composite function help, fog watch

1. help please, i have no idea how to do this question

[4] (a) Given that A is the set {a,b,c,d}, and f, g and h are mappings from A ->A defined by
f: {a b c d} , g: {a b c d} h: {a b c d}
___ {d c b a} _ {b c d a} ,
___
{b a d c}

find the composite mapping f o g o h.

NOTE: "{ ...}" is just one big set of "{...}"
{ ...}
2. h : {a b c d}
__{b a c d}

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