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I try to train myself with some exercices about economy. I have an exam in januar and I have to train myself. So I create some exercice, but I see that I can't do a simple question like it : Imagine if my teacher ask us something like it :

Determine the profit function $\pi(p)$ and offer function and the cost function $c(w, p)$ and the demand for factors $x(w, p)$

and the function is something like it :

$$f(x) =\min\{x_1, x_2\}$$

I know the exam will be harder that we saw in our classroom and I need to be " paranoid" if I want obtain a good grades.

I would like just to know if we can resolve this problem and how I can do it to keep train myself.

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