which of these patterns are recursive?

Question

a) 3,6,12,24,48,96
b) 1,4,9,16,25,36,
c) 1,3,9,27,81,243
d) 4,9,19,39,79,159

Answer 1

d starts with
previous value + 5; the next value is
previous value +10; the next value is
previous value +20; the next value is
previous value +40;, the next value is
previous value +80; ...

Answer 2

d is the right answer

Answer 3

It is a).........:)

Answer 4

D is correct because each number gets doubled from the previous number: first you add 20, then to the next number you add 40 then to the next number you add 40, etc.

Answer 5

D is correct haahhahaha