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Mathematics 9 Online
OpenStudy (anonymous):

PLEASE HELP! The total healthcare expenditures E (in billions of dollars) in the United States from 1990 to 2001 are below. Year-1990,1991,1992,1993,1994,1995 Expenditures, E-696, 762, 827, 888, 937, 990 Year- 1996, 1997, 1998, 1999, 2000, 2001 Expenditures, E- 1039, 1093, 1150, 1220, 1310, 1425 A) Use graphing utility to create a scatter plot for these data. Let t represent the year, with t=0 corresponding to 1990. Do the data appear linear? I was able to input the information into my calculator but do I need to come up with an equation to put in there as well?

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