Which of the following choices is the simple formula for the nth term of the following arithmetic sequence?

5, 1, -3, -7, -11,

a. -4n + 9
b. 4n + 1
c. 4n + 9
d. 5n + 4
e. -4n + 1

First, we start off with the nth term formula for an arithmetic sequence, which is 


plug in the sequence numbers where they belong






And this is the final answer

Ab=dc ac=de ad=bce i hope this !

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,