Your slope intercept form of this equation is : y= 1/4x-1. Which is the second graph
Since x is never less than -4 but is equal to it at one point and is less than 0 in some points, the only possible answer and the correct answer is x ≥ -4.
So the domain to this graph is x ≥ -4.
It is 62.54
Hope this helped.