Fill in the Blank with One of the Words or Phrases

Multiple Choice

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l l } \text { general term } & \text { common difference } & \text { finite sequence } & \text { common ratio } \\\text { Pascal's triangle } & \text { infinite sequence } & \text { factorial of } \mathbf { n } & \text { series } \\\text { geometric sequence } & \text { arithmetic sequence } & &\end{array}$$
-A(n) __________is a function whose domain is the set of natural numbers $\{ 1,2,3 , \ldots , n \}$ , where $n$ is some natural number.

A) factorial of $n$
B) finite sequence
C) series
D) infinite sequence