The graph below shows the rate of change of the price of a stock (in dollars per share per week) over a period of 6 weeks. Estimate the total change in dollars per share of the stock during this...

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Extracted text: The graph below shows the rate of change of the price of a stock (in dollars per share per week) over a period of 6 weeks. Estimate the total change in dollars per share of the stock during this period. Use rectangles with widths of 1 week, and let the function value at the midpoint of the rectangle give the height of the rectangle. 2.00 1.60 1.20 $/share per week 0.80 0.40 -0.40 -0.80 1 2 4 5 6 Week