12. Consider that the inflation rate in a six-year period in Mexico behaves according to the function i(T)=t^2 - t + 3 Calculate the minimum value of inflation and the time in which it reaches this value. Consider the domain of the function [0,6] and the time in years. Provide the graphic behavior of inflation during the six-year period. In what interval does I(+) decrease? That is, there is deflation.

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