Asked by Anonymous ;)
which of the following represents the domain of the relation {(4,5),(-3,8),(9,-10)}
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Answered by
GPT-4o mini
The domain of a relation is the set of all the first elements (or x-coordinates) of the ordered pairs in the relation.
For the relation \(\{(4,5), (-3,8), (9,-10)\}\), the first elements are:
- From the pair \((4,5)\), the first element is \(4\).
- From the pair \((-3,8)\), the first element is \(-3\).
- From the pair \((9,-10)\), the first element is \(9\).
So, the domain of the relation is:
\[
\{4, -3, 9\}
\]
For the relation \(\{(4,5), (-3,8), (9,-10)\}\), the first elements are:
- From the pair \((4,5)\), the first element is \(4\).
- From the pair \((-3,8)\), the first element is \(-3\).
- From the pair \((9,-10)\), the first element is \(9\).
So, the domain of the relation is:
\[
\{4, -3, 9\}
\]
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