What does the variable x represent?
For this case, the variable x represents the amount in $ of the total sales made by the person.
What does the variable and represent?
The variable y represents the total payment that the person receives weekly, which is given by:
75 $ fixed plus 25% commission for sales.
What does the y-intercept represent in the context of the situation?
The intersection with the y axis is:
$ 75
Represents the fixed salary that the person earns weekly