Projected Cost of College In 2003 the average annual cost of attending a private college or university, including tuition, fees, room, and board, was $25,000. This cost rose to about $37,000 in 2010, as illustrated in the figure. (Source: Cerulli Associates.)
(a) Find a point-slope form of the line passing through the points (2003, 25,000) and (2010, 37,000). Interpret the slope.
(b) Use the equation to estimate the cost of attending a private college in 2007.
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