Answer:
y=-2x-1
Step-by-step explanation:
first take 2 points from the graph to find m ( linear equation y=mx+b)
(-1,1) and (-2,3)
m=y2-y1/x2-x1
m=3-(1)/-2+1
m=2/-1
m=-2
now find b at point -1,1
y=-2 x+b
1=-2(-1)+b
b+2=1
b=1-2 ⇒ b=-1
y=-2 x -1
