Functions and Relations Question
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Grade 11 Functions and Relations CCSS: HSF-IF.A.3
How can you tell if a relation is a function?
- A relation is a function if every x-value has exactly one y-value.
- A relation is a function if every y-value has exactly one x-value.
- A relation is a function if it has a unique x-value.
- A relation is a function if it has a unique y-value.