Work Step by Step
We know that this is an arithmetic sequence because each successive term is the previous one plus 2. Thus the next term is $$7+2=9$$ And the rule would be $d*(n-1) +a_0$ or $2*(n-1)+1 = 2n-1$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.