What is the explicit rule for the sequence?

10.5, 9, 7.5, 6, 4.5, 3, ...

1 answer

The explicit rule for the given sequence is that each term is generated by subtracting 1.5 from the previous term.

In other words, the nth term of the sequence can be found using the formula:

𝑎𝑛 = 𝑎𝑛−1 − 1.5