1. Find a logarithmic model for the data set algebraically. (Round all numbers to three decimal places.)

y(x) = ______________

Expenditures($ billions) Year Expenditures Years

x y ($ billions) y

x

1872.6 1990 3240.8 2002

2397.6 1995 3424.7 2003

2886.5 2000 3620.6 2004

3061.6 2001 3877.2 2005

2. Find a logarithmic model for the data set algebraically. (Round all numbers to three decimal places.)

T(d) = _______________

Days in Park 2007 Park Hopper

d Bonus Ticket Cost

(dollars)

T

1 73

2 102

3 129

4 149

5 159