Question

identify whether the sequence 7,14,21,…,84 is finite or infinite.
a. infinite
b. neither
c. undefined
d. finite

Explanation:

Step1: Define finite/infinite sequences

A finite sequence has a definite last term; an infinite sequence continues without end.

Step2: Analyze the given sequence

The sequence is $7, 14, 21, ..., 84$, with a clear final term $84$.

Answer:

d. Finite