Question 34082
y=1.3√(s-4)-7 
where y = 1 represents 2001, and so on. 
Use the model to predict the sales for 2006 to the nearest tenth of a million. 

6=1.3sqrt(s-4)-7
13=1.3sqrt(s-4)
10=sqrt(s-4)
Square both sides to get:
100=s-4
s=104
Cheers,
Stan H.