How to evaluate the limit of a constant function

The video tutorial explains constant functions, focusing on graphing F of X = 13 as a horizontal line. It discusses evaluating the function at X = 5, emphasizing the continuity of the function and the concept of limits. The tutorial aims to simplify understanding of these mathematical concepts.

Why is it important to understand function notation when graphing?

What does it mean to approach a value from the left and right in the context of limits?