Use the function shown below to model the revenue (in millions of dollars) from the cell phone industry in a particular country, where x = 2 corresponds to the year 2002. According to this model, in what year does revenue reach its maximum? f(x) = 56.42(49.2x - 143.3)e^-0.5x The revenue reaches its maximum in the year [ ]. (Type a whole number.)
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The revenue function is: \[ f(x) = 56.42(49.2x - 143.3)e^{-0.5x} \] Show more…
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