Question 1196683
As real-life problem, the expression or function depends on what your can find through your own experiences or what you are familiar with in applying any algebraic functions.  Other people cannot answer that for you.


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{{{f(x)=-4((x+2)/((x+3)(x-4)))}}}


Root at -2, undefined at 4, and at -3.

A couple of vertical asymptotes


{{{graph(400,400,-6,6,-12,12,-4((x+2)/((x+3)(x-4))))}}}