Question

Choose the option that best describes how to determine if a relation is a function.
Answers below:
Check that for each value of y, there is only one value of x.

Check that for each output, there is only one input.

Check that for each input, there is only one output.

Check that a diagonal line could move across the y-axis and only intersect the graph of the relation
in one spot at a time.

Answers

GPT-4o mini
The option that best describes how to determine if a relation is a function is:

**Check that for each input, there is only one output.**

This means that for every value of the independent variable (x), there should correspond only one value of the dependent variable (y).

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