Answer Happy

A phone company has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 410 minutes, the monthly cost will be $71.50. If the customer uses 720 minutes, the monthly cost will be $118. Find a linear equation for the monthly cost of the cell plan as a function of x1​, the number of monthly minutes used. Type your answer in slope intercept form (y=mx+b) without any spaces between the characters. The function is C(x)= Use your equation to find the total monthly cost if 687 minutes are used. The cost will be 4