Posted by dawn on .
The graph and table below give the monthly principal and interest payments for
a mortgage from 1999 to 2004. Use this information to predict the payment for
2005.Year Payment
1999 $578
2000 613
2001 654
2002 675
2003 706
2004 730
2005

MAth 
Dr Russ,
My estimate is $750 ($749.50) but you have not provided all the information. You will not be able to reproduce a graph here.

MAth 
drwls,
Are you sure the 2001 entry is not 645? If you use 654, you do not get a smooth curve.
I agree with the 750 estimate for the 2005 entry. The decrease of monthly payments, which occurs annually, is reduced by about 2$ per year.