Chapter 3 Practice Test . 1. Which relation is a function? Choose all that apply A (1, 0), (3, 0), (1, 0), (2, 1) (4, 3) B (1, 1), (2, 2), (3, 3), (4, 4), (5, 8) C (2, 7), (6, 5), (4, 4), (3, 3), (2, 1) D (9, −3), (9, 3), (4, −2), (4, 2), (0, 0) _____ For . 2-3: Identify the domain and range of the relation, state whether it is a function ...