Question

Given the recursive formula for the arithmetic sequence a1=15, an=an−1+22
. Find the third term in the sequence.(1 point)
Responses

a3=−29
A sub 3 is equal to negative 29

a3=37
A sub 3 is equal to 37

a3=59
A sub 3 is equal to 59

a3=−7

Answer 1

a3 = 15 + 2·22 = 15 + 44 = 59. So the correct choice is a3 = 59.