2 Homework Question 10, 11.2.59-BE HW Score: 70%, 7 of 10 points Part 1 of 8 O Points: 0 of 1 Save A metropolitan waterworks normally charges a flat monthly rate of $20 for up to 4000 gallons of water consumption and a rate of $5 per thousand gallons of water for consumption in excess of 4000 gallons. To encourage conservation during a severe drought, there is an excessive use surcharge and an additional rate increase for residential customers who consumed more than 10,000 gallons of water in a month. Use the accompanying graph, which shows the monthly cost, c(x), of consuming x thousand gallons of water to complete parts (a) through (h). Ac(x ) (a) Find lim c(x). Select the correct choice below and, if necessary, fill in the answer 100- X-+4 box to complete your choice. O A. lim c(x) = 2898388 x-+4 Water Bill (dollars) O B. The limit does not exist and is not co or - co. 10 5 8 10 12 14 16 Water Use (thousands of gallons)