Write the equation for the graphed function: Please don’t respond if you are looking for points I need an actual answer. Thank you in advance

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

If you could answer these your a life saver