1. The problem statement, all variables and given/known data Given that: g (1)=3 g (2x+1)=4g (x)+x+1 Find g (3) 2. Relevant equations The awnser is 14. (Taken out of a PSAT workbook) 3. The attempt at a solution I assume that g(2x+1) refers to a series of transformations (horizontal dilation, up 1) of g(x) Once g(x) is found, g(3) can easily be solved. The problem is, that I have no idea how to find it.