Suzi starts her hike at an elevation below sea level .when she reached the end of the hike she is still below sea level at - 127feet. what was the change in elevation from the beginning of suzi hike to the end of the hike?

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)