Tim uses his lorry to deliver turf. You can use this graph to find the delivery costs for different distances. 100- 80- For each delivery, there is a fixed charge plus a charge for distance. a) How much is the fixed charge? E 60 Delivery cost (E) 20 Tim makes two deliveries of turf The distance of one delivery is 20 miles m e than the distance of the other delivery. ) What is the difference between the two delivery costs? 3 (2) Total marks: 3 O 10 20 30 40 50 Distance (miles

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.