Graphically, \(f(x) = x^2\) is the same as the graph of \(y = x^2\). Writing graphs as functions in the form of \(f(x)\) is useful when applying translations and reflections to graphs.

I help people communicate data clearly with graphs ... 1.5 times that of Indonesia and much closer to the label for South Africa. Changes in a single variable can be shown accurately by one ...