For each lawn mowing job, Marcus charges a fee for his equipment plus an hourly rate. The graph shows how he calculates his fee for providing mowing services. Which linear function, in the form of y = mx + b, best represent this situation? YA 20 13 17 15 A) y = x +5 B) y = x +5 C) y = 5x + D) y = 5x + 14 Total Cost ($) 0 1 2 3 4 5 6 8 10 11 12 14 15 16 17 18 19 20 Time (hours) A В Ос OD