Question

Which one is a rule for the nth term of the sequence 3, 15, 75, 375...?

Answer 1

I believe domain times 5?

Answer 2

nth term would be 5 times (n-1)th term

Answer 3

im confused...haha

Answer 4

so this is a recursive sequence where every next term depends on previous term

Answer 5

the 2 possible answers a_n=3(5)^n-1
and a_n=5(3)^n-1

Answer 6

if its n-1. there are also answers with n+1

Answer 7

umm you would have to check that then