\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Consider a function \(y=f(x)\). Find the equation of the resulting function, \(g(x)\), if the graph of \(f\) is transformed by the following sequence:
  1. A vertical stretch by a factor of 3.
  2. A reflection in the \(x\)-axis.

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