What is the recursive rule for an=3n+5

a. a1=5; an=an−1+3

b. a1=8; an=an−1+5

c. a1=3; an=an−1+5

d. a1=8; an=an−1+3

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?