Answer:
Step-by-step explanation:
In this exercise, we want to model an equation to represent the cost that Gabriel will when registering with a gym.
from the given information, we can model the cost after the equation of a straight line
y= mx+c
so "C" is the cost, while $40 is a fee dependent on "t" the number of months subscribed
and $100 is the joining fee, which is a constant term