it looks so easy yet I keep getting the answer wrong :(

Answer: y = 1/2x + 1/2
Step-by-step explanation:
Choose two points from the graph. I chose (-1,0) and (3,2). Then do y2-y1 divided by x2-x1. So that would be 2-0 divided by 3- -1, which when solved, is 2/4, or 1/2. So the slope is 1/2. The y-intercept is also half. So the full answer would be y = 1/2x + 1/2