You can start by drawing a number line and labeling it with eighths. ( 1/8, 2/8, etc.) Then you can place a dot on 3/8 and 5/8. From there, it's clear to see that 5/8 is greater than 3/8.
Not a function because of the vertical line test. Domain is [-2,∞] since the left most point is -2 and the right is unbounded. Range is (-∞,∞) since it is not bounded in terms of y.
