Question: The table lists U.S. demand for green building materials in billions of dollars for selected years. (a) Let x represent the number of years after

The table lists U.S. demand for green building materials in billions of dollars for selected years.Year 2010 65 Demand 2011 70 2012 75 2013 80


(a) Let x represent the number of years after 2010. Find a formula in slope-intercept form for a linear function f that models the data. 


(b) Interpret the slope of the graph of y = f(x). 


(c) Estimate the demand in 2020.

Year 2010 65 Demand 2011 70 2012 75 2013 80

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