In 1991, the average family income was about $33,000 in 2006 it was about $65,000. a) let x=0 represent 1991, x=1 represent 1992, and so on. find values for a and b so that f(x)=ax+b models the data.
b) estimate the average family income in 2001.

a) find the value of a so that f(x)=ax+b

find the value of b

b) what is that average family income in 2001?