Hello,
we are going to use the theorem of the bissectrice. (if this word is good in english)

Answer: I think your should already know the price
Step-by-step explanation:
The y-intercept exists where x is 0. In our table, the y value is -4 when x is 0. So that's the place where the graph will go through the y axis. (0, -4) with -4 being the y-intercept.
Answer:
400 is the answer your welcome