The following formula models the number of automobiles, $\displaystyle {A},$ in thousands, that Washington residents purchased $\displaystyle {x}$ years after 1980.

$\displaystyle {A}={2}{x}^{{2}}+{24}{x}+{310}$

A) Give an equation that you can use to determine the first year in which residents purchased approximately 1206 thousand cars.

Preview Question 6 Part 1 of 2  



B) Now solve your equation and specify the first year in which residents purchased approximately 1206 thousand cars.