Question

Which of the following best describes when a relation is a function?A. Each element in the domain is paired with just one element in therange.B. Each element in the domain is the same as each element in therange.C. Each element in the domain is paired with at least one element inthe range.D. Each element in the domain is twice the size of each element inthe range.

Answer 1

Step 1: Concept

In mathematics, a function is a binary relation between two sets that associates each element of the first set to exactly one element of the second set.

Step 2: The best describes when a relation is a function is:

Each element in the domain is paired with just one element in the

range.

Step 3: Final answer

Option A

Each element in the domain is paired with just one element in the

range.