To determine whether the mapping or diagram shows a function, we need to understand the definition of a function. A relation is considered a function if each input (or domain element) is related to exactly one output (or range element).
If the mapping indicates that an input is associated with multiple outputs, then it is not a function. Conversely, if each input leads to only one output, then it is a function.
Since I don't have access to the specific mapping or diagram you're referring to, I cannot provide a definitive answer. However, you can apply the definition above to your situation to determine if it is a function.
If each input has one output, the answer is yes. If any input has more than one output, the answer is no.
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