How to determine if a table is a function?
Understand the Problem
The question is asking for the method or criteria to ascertain whether a given table of values represents a function. This typically involves checking if each input (x-value) corresponds to exactly one output (y-value).
Answer
A table is a function if each x-value is paired with only one y-value.
The final answer is that a table is a function if each x-value is paired with only one y-value.
Answer for screen readers
The final answer is that a table is a function if each x-value is paired with only one y-value.
More Information
This rule ensures that for each input (x) there is a unique output (y), which is the definition of a function in mathematics.
Tips
A common mistake is checking only some of the x-values instead of all. Ensure each x is checked for unique y-values.
Sources
- How to Tell if a Table Is a Function - WikiHow - wikihow.com
- Representing Functions Using Tables – eCampus Ontario - ecampusontario.pressbooks.pub
- Determine whether a relation represents a function | College Algebra - courses.lumenlearning.com
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