sam runs 5 miles before school every day to train for the big track meet. after school he also runs a rate of 2 miles per hour which function below represents the total miles sam runs

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)