Algebra 2 Sequences

Question

Tommy invests $100 every year he owns 5% in interest answer the following

A. What is the starting amount ?

B. By what decimal does he increase each year?

C. Why do you need to multiplied by each year to show this increase ?

D. Right Eric is the formula using the base F(n)=f(n-1)

E.Write the explicit(Graphable) formula

F. How much money does Tommy have after five years

Answer 1

Need more information to answer this. Is Tommy investing $100.00 more each year? Is the annual interest rate 5%? In part D. Who is Eric?