Question

Personal income (in 1998 dollars) in one state increased approximately linearly from $20,663 in 1998 to $21,882 in 2003. Personal income (in 1998 dollars) in the other state increased approximately linearly from $26,213 in 1998 to $26,634 in 2003

a) let f(x) be personal income (in 1998 dollars) in one state and g(t) be personal income (in 1998 dollars) in the other state, both in the year that is t years since 1998. find of equations of f and g.