Solve the Problem $y=100 x+2100$ , Where $y$ Represents the Number of Sales in Year

Multiple Choice

Solve the problem.
-Suppose the sales of a particular brand of appliance satisfy the relationship $y=100 x+2100$ , where $y$ represents the number of sales in year $x$ , with $x=0$ corresponding to 1982 . Find the number of sales in 1997.

A) 7100 sales
B) 3600 sales
C) 3500 sales
D) 7200 sales