Which of the following numbers is an integer but not a natural or whole number?​

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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