Answer:
[tex]m = \frac{1}{2}[/tex]
Step-by-step explanation:
The equation is in slope-intercept form.
[tex]y = mx + b\\\rule{150}{0.5}\\m - \text{slope}\\b - \text{y-intercept}[/tex]
Since (1/2) is in 'm's place, it is the slope of the line.
[tex]y = \boxed{\frac{1}{2}}x + 4[/tex]
Hope this helps.