Plz i have a answer but i think it’s wrong it’s literally like 5th grade math

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

(01.04 lc)multiply 1 over 6 multiplied by negative 1 over 2. negative 1 over 3 negative 1 over 12 1 over 12 1 over 3

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1