Please give me the correct answer.

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

Which number line shows a decimal equivalent to 2 1/4

A. plot the data for the functions ƒ(x) and g(x) on a grid. b. identify each function as linear, quadratic, or exponential, and use complete sentences to explain your choices. c. describe what happens to the function values in each function as x increases from left to right. d. at what value(s) of x are the function values equal? if you cannot give exact values for x, give estimates.