Relations digraphs and trees. 1) The following arrays describe a relation R on the set A = {1, 2, 3, 4, 5, 6}. VERT = {9, 3, 6, 0, 5, 8} TAIL = {1, 2, 2, 3, 5, 3, 3, 6, 1, 1} HEAD = {2, 3, 1, 5, 4, 4, 6, 1, 6, 3} NEXT = {0, 0, 2, 7, 0, 4, 0, 0, 10, 1} a) Find the digraph which describe the relation R, b) The domain and the range of R, c) Find the matrix MR².
