Cab companies often charge a flat fee for picking someone up and then charge an additional fee per mile driven.

The city of Charlotte, NC charges $2.50 fee and $2.50 per mile for each cab ride.

4What does the y-intercept mean (in words) in the context of this problem? Hint: What do you pay when you step into the cab?

The y-intercept in this context refers to the initial cost or fee that is charged when you step into the cab. In this case, the y-intercept is $2.50, meaning that as soon as you enter the cab, you will be charged $2.50 regardless of the distance traveled.