Graph of What Equation Is Represented on the Figure $y = \frac { 1 } { 2 } x + 4$

Graph of what equation is represented on the figure?

A) $y = \frac { 1 } { 2 } x + 4$
B) $y = x + 4$
C) $y = x + 5$
D) $y = \frac { 1 } { 2 } x + 5$