The diagram shows the graph of $y = f ( x )$ The function $f$ attains its maximum value of 2 at $x = 1$, and its minimum value of - 2 at $x = - 1$ Find the difference between the maximum and minimum values of $( f ( x ) ) ^ { 2 } - f ( x )$
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The diagram shows the graph of $y = f ( x )$
The function $f$ attains its maximum value of 2 at $x = 1$, and its minimum value of - 2 at $x = - 1$
Find the difference between the maximum and minimum values of $( f ( x ) ) ^ { 2 } - f ( x )$