The graph shows a straight line that approximates national advertising revenue, in millions of dollars, for newspapers in the United States for the years 2006–2012. Use the midpoint formula and the two given points to estimate revenue in 2009. Compare the answer with the actual figure of 4424 million dollars.

National Advertising Revenue for Newspapers

Transcribed Image Text:

8000 7505 7000 6000 + 5000+ 4000 + 3335 3000 + 2000+ 1000+ 2009 2012 2006 Year Revenue (in millions of dollars)