Let G be an abelian group then choose the correct statement(s): f(x) = x be a...

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Let G be an abelian group then choose the correct statement(s): f(x) = x² be a homomorphism of G f(x) = x² be a automorphism of G f(x) = x²,p is prime be a automorphism of G f(x) = x² be a automorphism of G if 2 does not divide o(G) Let G be an abelian group then choose the correct statement(s): f(x) = x² be a homomorphism of G f(x) = x² be a automorphism of G f(x) = x²,p is prime be a automorphism of G f(x) = x² be a automorphism of G if 2 does not divide o(G)