\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
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The graph of \(f\) is shown below.
Solve \(f(x) = 3\).
\(S = \{-2 , 2\}\)
\(S = \{2\}\)
\(S = \{3\}\)
\(S = \{-1 , 1\}\)
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