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25 October, 07:55

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.

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Answers (2)
  1. 25 October, 09:08
    0
    Marco is incorrect.

    Step-by-step explanation:

    According to the problem, Marco explains to Devon that in order to twll 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 fuction.

    The last part of Marco's explanation is wrong, because a relation is a function when output values repeat and they have different input values, Marco said it wrong. In the case where input values are not different, then that's a relation, for example, the circle is not a function just a relation, because for one input value there can be two output values.

    Therefore, Marco is incorrect.
  2. 25 October, 10:51
    0
    Marco is wrong. In order for an input-output table to be a function, there can only be one Y for every X, meaning that X cannot repeat as the same number twice.
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