From 1999 to 2013, the profit per year of Safeway could be modeled by a sinoudoial graph.

Total Profit Since 1999 (In Billions)

Years Since 1999

Drag the slider and find the total profit Safeway made since 1999. According to the fundamental theorem of calculus, the area underneath any function can be found using the functions antiderivitive. This is the method by which the total sales of Safeway are found.