Devon is having difficulty determining if a relation given in an input-output table is a function. marco explains to him that in order to tell if the relation in the table is a function, devon needs to check if any of the output values are repeated. if they repeat and have different input values, the relation is not a function.

if marco is correct, respond to the following statement:
summarize marco's reasoning in your own words.

if marco is incorrect, respond to the following statement:
explain what is wrong with marco's reasoning and provide an example.