Question

identify whether each set of ordered pairs is a function or is not a function. {(1,3), (2,5), (4,9), (6,13)}

Explanation:

A relation is a function if every input (x-value) has exactly one output (y-value). In the given set of ordered pairs, the x-values are 1, 2, 4, 6, each appearing only once with a unique y-value.

Answer:

Function