The Year Y When Sales Were S Million Dollars for a Particular

Multiple Choice

The year y when sales were s million dollars for a particular electronics company can be modeled by the radical equation $y = 1.4 \sqrt { s - 2 } - 7$ , where $y = 1$ represents 2010 , and so on. Use the model to predict the sales for 2015 to the nearest tenth of a million.

A) $89.2 million
B) $87.2 million
C) $90.2 million
D) $88.2 million