122- The figure opposite shows the graph of $f(x) = \dfrac{x^3 + ax^2}{x^2 + bx + c}$. The value of $(bc - a)$ is which of the following?
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\textit{[Figure: Graph of a rational function with asymptotes, showing a curve with a local feature near the origin]}
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(1) $-2$ \hfill (2) $-1$ \hfill (3) $1$ \hfill (4) $2$
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