Graphs of $g(x)$ and $f(x)$
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Mapping Diagram Showing Composition.
Given a point / number, $x$, on the source line, there is a
blue arrow meeting the target line at the point /
number, $ x^2 - 2$This point corresponds to the quadratic function's value for $x$. The values for the core mapping diagram for $x-2$ in red are applied to the values $g(x)=x^2$ (green) . |