Answer:
<h2>B) f(x) = 2x - 1</h2>
Step-by-step explanation:
<em>Look at the picture.</em>
The slope-intercept form of an equation of a line:

<em>m</em><em> - slope</em>
<em>b</em><em> - y-intercept → (0, b)</em>
The formula of a slope:

We have:

The slope:

Substitute to the equation of a line:
