B. they are directly proportional because she keeps taking 3 at a time to his 1 at a time.
The solution to your problem is as follows:
Since the equation of a line is:
y = mx + b; where m=slope, and b=y-intercept.
Therefore, the y-intercept of the line is -2.
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
Answer:
a
Step-by-step explanation: