notice the 7) 1st sequence, and the 8) second one
[tex]\bf \begin{array}{llll}
term&value\\
-----&-----\\
1&t_1=-2(1)+5\\
2&t_2=-2(2)+5\\
3&t_3=-2(3)+5\\
4&t_4=-2(4)+5\\
5&t_5=-2(5)+5\\
6&t_6=-2(6)+5\\
7&t_7=-2(7)+5\\
8&t_8=-2(8)+5\\
9&t_9=-2(9)+5\\
\end{array}\qquad \qquad
\begin{array}{llll}
term&value\\
-----&-----\\1&t_1=2(3)^{1-1}\\2&t_2=2(3)^{2-1}\\3&t_3=2(3)^{3-1}\\\end{array}[/tex]