Answer:
5076
Step-by-step explanation:
I used a arithmetic sequence and found that 7 is a common difference,found a as 3.5 b as -25 I rounded them off to be a whole number and c is 0 .Then I used Tn=an²+bn+C
=4(36)²-3(36)+0
=5076
9.5m questions
12.2m answers