Consider the mapping (1) t: r' r, tx, y, z) = (x+1 y+z) (11) t: r r, tx, y)= xy (11) t: r r, tx, y, z) = (| x1, 0) which of the above are linear transformation?

Consider the mapping (1) T: R' R, Tx, y, z) = (x+1 y+z) (11) T: R R, Tx, y)= xy (11) T: R R, Tx, y, z) = (| x1, 0) Which of the above are linear transformation? (a) (), (11) and (11) (b) () and (1), only ( (1) and (1) only d) None of these