T: set of real numbers R squaredright arrowset of real numbers R Superscript 4, Upper T left parenthesis Bold e 1 right parenthesisequals(9, 1, 9, 1), and Upper T left parenthesis Bold e 2 right parenthesisequals(negative 8, 4, 0, 0), where Bold e 1equals(1,0) and Bold e 2equals(0,1).