Problem 5. (1 point) For the relations: A x B, such that: A = {37,38,...,42} and B = {42, 43,...,47} Count how many possible ways Nā to have functions: A ā B Nā= Count how many possible ways Nā to have as one-to-one function Nā = Count how many possible ways N3 to have NOT onto. N3 = Note: You can earn partial credit on this problem.