Answer Happy

I don't know how to figure out what equation is the graph I need to figure out how to do this I'm trying to do these exercises I need help step by step I'm giving four equations and I have to see which one is the graph if someone can help me please I'd greatly appreciate it I'm in desperate need of help Mother the stressed and needs help with math graph
Which of the following is the equation of the given graph? 5 5 5 5 (a) y = x + 4 (b) y = 4x - 1 (c) y = x - 1 (d) y = -x +4