Answer:
435 is the money that the school club have had already before the fundraising started.
Step-by-step explanation:
The school club modeled their fundraising progress with a linear function.
They will have a 1200 income every week, that's why they multiply 1200 by x, being x the number of weeks.(time)
435 is a fixed number that represents the amount of money that the club had before starting the fundraising