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Answer the following completely. Show all work. The number of stores worldwide has increased substantially since 1991. (See the table below.) Let n f(0 be the number of stores worldwide at t years since 1990 Number of Stores Year 1991 1993 1995 1997 1999 2001 2003 137 253 469 867 1603 2966 5485 a. Draw a scattergram of the data Label the graph completely b. Use the points that correspond to years 1993 and 1999 to find an equation o.f. c Estimate the number of stores in 2010. d. Estimate when there were 18,000 stores 2. Someone invests $3000 in an account at 8% interest compounded annually. Let() be the value (in dollars) of the account at t years after she has invested the $3000 a. Find an equation ott b. Estimate when the account doubles 3. A growing number of thieves are using keylogging programs to steal passwords and other personal information from Internet users. The number of keylogging programs reported grew approximately exponentialy from 0.4 thousand programs in 2000 to 12.0 thousand programs in 2007. Predict the number of keylogging programs that will be reported in 2013