what is the domain and range of a line with a dot at y = -5 and goes straight up with an arrow on the top of the line. it goes through x = 3 when it goes up.
domain: x = 3
range : y ≥ -5 if the "dot" is solid, y > -5 if the dot is open
range : y ≥ -5 if the "dot" is solid, y > -5 if the dot is open