CAn somebody plz help me with part B

And if you don’t know plz don’t answer can u show me the work step be step I wanna learn plz thank you
You would be so much help

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

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.

The length of a rectangular plot of land is given by the expression 6x^3y^4. the width of the plot is given by the expression 5x^5y^4z. find an expression to represent the area of the rectangular plot.