Answer:
step by step below
Step-by-step explanation:
Left upper: (0 , -1) ((1 , 3) c= -1
m = (3 - -1) / (1 - 0) = 4
y = 4x -1
Right upper: ((0,-2) (-2,4) c=-2
m = 6/-2 = -3
y = -3x - 2
Left lower: ((0,-4) (3,3) c = -4
m = 3/7
y = 3/7 x - 4
right lower: ((0,-4) (3,0) c = -4
m = 3/4
y = 3/4 x - 4
