Introduction to Sequences
You've done sequences in probably around 5th grade.
A sequence is a function too, but, a function that operates not on just any value, but on a "term" that starts counting upwards from 1 along the natural numbers, so, it can't take just ANY input.
Such sequence a, with the term n, is denoted
Next, this sequence has a rule. For a function this would be the part after f(x)=
For example:
We have now laid the bases for our next topic:
Monotonicity