The value of a building bought in 1990 appreciates, or increases, as time passes. 5 years after the building was bought, it was worth $138 comma 000; 17 years after it was bought, it was worth $162 comma 000.
a. If this relationship between number of years past 1990 and value of building is linear, write an equation describing this relationship. [Use ordered pairs of the form (years past 1990, value of building). Let x represent the number of years since 1990 and y represent the value of the building.]