Using it's concept, it is found that the correct option regarding whether the relation is a function is given by:
b. Yes, each year is paired with only one value for the birth rate.
<h3>When a relation represents a function?</h3>
It represents a function if <u>each value of the input is mapped to only one value of the output</u>.
In this problem, the inputs are the decades(1950 to 2000), and each has only one rate, hence it is a function and option b is correct.
More can be learned about functions at brainly.com/question/12463448
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