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Use the graph to determine the units of the slope and the y-intercept. 9. 8 @ Macmillan Learning units of slope: Distance (m) 5 units of y-intercept: 0 6 Go. Time (s)Suppose Brian is in the market for a used textbook and the campus bookstore is having a sale. If the initial price of the used book is $82.50 and the discounted price is $62, what is the percentage change in the book price? Round your answer to two places after the decimal. @ Macmillan Learning percentage change: %on Using the graph, calculate the area under the curve as dened E E by the various points on the curve. E E 2 E %