amiralichalhoub277 amiralichalhoub277 25-03-2024 Mathematics contestada Given that () = {(1, 3), (2, 9), (5, 7), (11, 9)} and () = {(2, 8), (3, 1), (4, 5), (9, 1), (11, 0)} Determine the following. [5 marks] a. () + () b. () − () c. d. () × () () () e. ∘ ()