201k views
3 votes
Hello, could you help me with this question? I do not understand it(11.5 #15)could you help me with #15?

Hello, could you help me with this question? I do not understand it(11.5 #15)could-example-1
User Kroksys
by
8.1k points

1 Answer

1 vote

Given the expression:


a_(n-2)=3n+2

to find the formula for a_n, we can substitute n+2 on the original expression to get the following:


\begin{gathered} a_(n+2-2)=3(n+2)+2 \\ \Rightarrow a_n=3n+6+2=3n+8 \\ a_n=3n+8 \end{gathered}

therefore, a_n = 3n+8

User Cmhobbs
by
8.1k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories