Question

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

Answer 1

Answer:

Option d is correct.

Step-by-step explanation:

We have given a formula $a_n=3n+5$

We will put different values of n so, as to get $a_n$

from the given formula

When n =1  we get

$a_1=3(1)+5=8$

When n=2 we get

$a_2=3(2)+5=11$

When n=3 we get

$a_3=3(3)+5=14$

We can see that next term is 3 more than the previous term

Hence, $a_1=8;a_n=a_{n-1}+3$

Therefore, Option d is correct.