Find the equation of the line shown ASAP

Answer:
y=2x-1
Step-by-step explanation:
The slope can be found through (x2-x1)/(y2-y1) or rise over run and is 4/2, which simplifies to 2.
y=2x+b
The y-intercept is -1, so therefore b must also be -1.
y=2x-1