A department store has two locations in a city. From 2012 through 2016, the profits for each of the store's two branches are modeled by the functions f(x) = -0.44x + 13.62 and g(x) = 0.51x + 11.14. In each model, x represents the number of years after 2012, and f and g represent the profit, in millions of dollars. a. What is the slope of f? Describe what this means. b. What is the slope of g? Describe what this means. c. Find f + g. What is the slope of this function? What does this mean?

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