Question

Which sequence matches the recursive formula?

Answer 1

5,15,35,75 is the answer for your questio 

Answer 2

Hello:
an = 2an-1 + 5, where a1 = 5
n =2   a2 = 2a1 +5 = 2(5)+5 = 15
n =3  a3 = 2a2 +5 = 2(15)+5 = 35
n =4   a4 = 2a3 +5 = 235)+5 = 75
answer : 
B) 
5, 15, 35, 75, ...