What are relations and functions in terms of mathematics ??

Relation - if we have two sets defined under certain condition which relates them then it is called relation.

Function - any relation is said to be function if every element of set A is uniquely related to set B. where we assumed any two arbitrary sets.

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.