Question: Let f(x) := 1/x2; x 0; x R. (a) Determine the direct image f (E) where E := {x R : 1

Let f(x) := 1/x2; x ≠ 0; x ∈ R.
(a) Determine the direct image f (E) where E := {x ∈ R : 1 < x < 2}.
(b) Determine the inverse image f1(G) where G := {x ∈ R : 1 < x < 4}.

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