QuestionFind the first three terms of the sequence defined by $a_{n}=(-1)^{n}(3 n+5)$ in set notation.

Studdy Solution
The first three terms of the sequence are $-8$, $11$, and $-14$. In set notation, this is $\{-8,11,-14\}$.
So, the correct answer is $\{-8,11,-14\}$.