Which of the following best defines an output?

a. an output is the value that determines another based on the relation or the function rule, usually the x values in a set of ordered pairs or on a table or graph

b. an output is the result of a relation or the function rule, usually the y values in a set of ordered pairs or on a table or graph

c. an output is a special type of relation for which there is a rule that pairs each input with exactly one output.

d. an output is a set of ordered pairs in which no y value repeats

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