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Q18.

Expert-verifiedFound in: Page 60

Book edition
Middle English Edition

Author(s)
Carter

Pages
804 pages

ISBN
9780079039903

**Determine whether each relation is a function. Write yes or no.**

**No**, the given relation is not a function.

A relation is a function if each element of the domain is paired with exactly one element of the range.

A relation is not a function if there exist an element in the domain paired with more than one element of the range.

The given arrow diagram of a relation is:

The set notation of the given relation is $\left\{\left(3,1\right),\left(2,3\right),\left(2,5\right),\left(-1,7\right)\right\}$.

This relation is not a function because 2 in the domain is paired with both 3 and 5 in the range.

Thus, the required answer is **no** because the given relation is not a function.

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