A credit card company charges $12 50 when a payment is late, and $18.50 per day for each additional day the payment remains unpaid. 1. Find an equation that expresses the total charge for a late payment in terms of the number of days the payment remains unpaid. y = 2. What is the y-intercept? Interpret it. y-intercept (z, y) =( Even if someone is days late on their payment (for example, if the person makes the payment as soon as they are notified that their payment is late), they will still be charged s 3. What is the slope? Interpret it. Slope The line has a(n) [Seted in somery) direction. going from left to right. The less late the payment, the higher the cost. The more late the payment, the lower the cost The less late the payment, the lower the cost. The more late the payment, the higher the cost. 4. If Karla is 15 days late on her credit card payment, how much will she be charged