Question 915942
RE TY
'recursive' just means:
You are comparing  the New Year {{{a[n]}}} to the previous year {{{a[n-1])}}}
....
 Set up a recurrence relation for the amount in the account at the end of n years.
{{{a[n] = a[n-1] + .09a[n-1] = 1.09a[n-1]}}} 
{{{a[0] = 1000}}}