Question

PLEASE HELP ME WITH THIS ALGEBRA QUESTION!! THANK YOU!!

Answer 1

4a (n-1) + 5

Explanation:

1th=6

2nd=29

3rd=121

4th=489

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nth

if n=2

a2 = 4a(2-1) + 5 = 4 a(1) + 5 = 4 (6) + 5= 29

a3 =4a(3-1) + 5 = 4 a(2) + 5 = 4 (29) + 5= 121

try finding a4, check wether the answer is 489