The question is

Suppose the sales of a company are given by

S(x)m= $200x + $20,000 where x is measured in years and x = 0 corresponds to the year 1996

Find the predicted sales in the year 2002 assuming the trend continues

2002 - 1996 = 6

S(6) = $200*6 + $20,000 = $21,200

Hope this helps :)