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Verified Answer :

H(2)=x²=2²=4
G[H(2)]=G(4)=3(4)+2=12+2=14
F[G[H(2)]]=F(14)=2(14)-1=28-1=27

Answer: F[G[H(2)]]=27

AyaZ

F{G[H(2)]} = F{G[22]} = F{G[4]} = F{34+2} = F{14} = 2*14-1 = 27