Sorry, a bit late but i took it and it was A.
Answer: 9.05
the answer is in here: https://brainly.in/question/13877695
Step-by-step explanation:
For y=3x+4, you would put 4 on the y-intercept and from that point you go up 3 and right 1 and then plot the second point.
For y=-x-4, you would put -4 on the y-intercept and from that point go down 1 and right 1 and then plot the second point.