Answe 1. choose the equation of the vertical line passing through the point (−2, 3). y = 3 x = 3 y = −2 x = −2 2. the domain of the following relation: r: {(−4, 8), (8, 10), (5, 4), (1, 6), (5, −9)} is {8, 10, 4, 6, −9} {−4, 1, 5, 8} {−4, 8, 5, 1, 5} no domain exists