Question

1. Alex started a new social media account, which he uses to post pictures of cute animals. On the first day, he had only 8 followers. However, his account became popular very quickly and his number of followers tripled every day. Identify the recursive function that gives the number of followers he has after n days. f(1)-3 A. f(n) - fin-1)+8 if n> 1 B. 1(n) = ((1)=8 (n)=f(n-1)+3 if > 1 c.ro 4(1)=3 (n) = 8f(n-1) if n > 1 Onnod 1(1) = 8 f(n) = 3f(n-1) if n> 1

Answer 1

1.) D

f(1) = 8

f(n) = 3f(n-1) if n>1

3.) B

510

5.) A

a0 + a1 + a2 +a3 + a4 +a5

8.) D

an = 10 -2(n-2)

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