the question asks; Consider the following matrices. What is the corresponding transfrmation on polynomials? Indicate the domain P_i and the codomain p_j The matrix is: [1,1;1,-1] I looked at the sol. manual and it states T(ax+b)=(a+b)x+(a-b) I seriously have no idea how they came up with that. I read the section and i don't see any examples on how to do it.